19937736

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 50823864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 17, 18, 21, 24, 26, 28, 34, 36, 39, 42, 51, 52, 56, 63, 68, 72, 78, 84, 91, 102, 104, 117, 119, 126, 136, 153, 156, 168, 179, 182, 204, 221, 234, 238, 252, 273, 306, 312, 357, 358, 364, 408, 442, 468, 476, 504, 537, 546, 612, 663, 714, 716, 728, 819, 884, 936, 952, 1071, 1074, 1092, 1224, 1253, 1326, 1428, 1432, 1547, 1611, 1638, 1768, 1989, 2142, 2148, 2184, 2327, 2506, 2652, 2856, 3043, 3094, 3222, 3276, 3759, 3978, 4284, 4296, 4641, 4654, 5012, 5304, 6086, 6188, 6444, 6552, 6981, 7518, 7956, 8568, 9129, 9282, 9308, 10024, 11277, 12172, 12376, 12888, 13923, 13962, 15036, 15912, 16289, 18258, 18564, 18616, 20943, 21301, 22554, 24344, 27387, 27846, 27924, 30072, 32578, 36516, 37128, 39559, 41886, 42602, 45108, 48867, 54774, 55692, 55848, 63903, 65156, 73032, 79118, 83772, 85204, 90216, 97734, 109548, 111384, 118677, 127806, 130312, 146601, 158236, 167544, 170408, 191709, 195468, 219096, 237354, 255612, 276913, 293202, 316472, 356031, 383418, 390936, 474708, 511224, 553826, 586404, 712062, 766836, 830739, 949416, 1107652, 1172808, 1424124, 1533672, 1661478, 2215304, 2492217, 2848248, 3322956, 4984434, 6645912, 9968868, 19937736]

約数ペア:

[(1, 19937736), (2, 9968868), (3, 6645912), (4, 4984434), (6, 3322956), (7, 2848248), (8, 2492217), (9, 2215304), (12, 1661478), (13, 1533672), (14, 1424124), (17, 1172808), (18, 1107652), (21, 949416), (24, 830739), (26, 766836), (28, 712062), (34, 586404), (36, 553826), (39, 511224), (42, 474708), (51, 390936), (52, 383418), (56, 356031), (63, 316472), (68, 293202), (72, 276913), (78, 255612), (84, 237354), (91, 219096), (102, 195468), (104, 191709), (117, 170408), (119, 167544), (126, 158236), (136, 146601), (153, 130312), (156, 127806), (168, 118677), (179, 111384), (182, 109548), (204, 97734), (221, 90216), (234, 85204), (238, 83772), (252, 79118), (273, 73032), (306, 65156), (312, 63903), (357, 55848), (358, 55692), (364, 54774), (408, 48867), (442, 45108), (468, 42602), (476, 41886), (504, 39559), (537, 37128), (546, 36516), (612, 32578), (663, 30072), (714, 27924), (716, 27846), (728, 27387), (819, 24344), (884, 22554), (936, 21301), (952, 20943), (1071, 18616), (1074, 18564), (1092, 18258), (1224, 16289), (1253, 15912), (1326, 15036), (1428, 13962), (1432, 13923), (1547, 12888), (1611, 12376), (1638, 12172), (1768, 11277), (1989, 10024), (2142, 9308), (2148, 9282), (2184, 9129), (2327, 8568), (2506, 7956), (2652, 7518), (2856, 6981), (3043, 6552), (3094, 6444), (3222, 6188), (3276, 6086), (3759, 5304), (3978, 5012), (4284, 4654), (4296, 4641)]