18261672

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 56972160

約数和(自身を除く): 38710488

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 17, 22, 24, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 88, 102, 104, 132, 136, 143, 156, 187, 204, 221, 264, 286, 312, 313, 374, 408, 429, 442, 561, 572, 626, 663, 748, 858, 884, 939, 1122, 1144, 1252, 1326, 1496, 1716, 1768, 1878, 2244, 2431, 2504, 2652, 3432, 3443, 3756, 4069, 4488, 4862, 5304, 5321, 6886, 7293, 7512, 8138, 9724, 10329, 10642, 12207, 13772, 14586, 15963, 16276, 19448, 20658, 21284, 24414, 27544, 29172, 31926, 32552, 41316, 42568, 44759, 48828, 58344, 58531, 63852, 69173, 82632, 89518, 97656, 117062, 127704, 134277, 138346, 175593, 179036, 207519, 234124, 268554, 276692, 351186, 358072, 415038, 468248, 537108, 553384, 702372, 760903, 830076, 1074216, 1404744, 1521806, 1660152, 2282709, 3043612, 4565418, 6087224, 9130836, 18261672]

約数ペア:

[(1, 18261672), (2, 9130836), (3, 6087224), (4, 4565418), (6, 3043612), (8, 2282709), (11, 1660152), (12, 1521806), (13, 1404744), (17, 1074216), (22, 830076), (24, 760903), (26, 702372), (33, 553384), (34, 537108), (39, 468248), (44, 415038), (51, 358072), (52, 351186), (66, 276692), (68, 268554), (78, 234124), (88, 207519), (102, 179036), (104, 175593), (132, 138346), (136, 134277), (143, 127704), (156, 117062), (187, 97656), (204, 89518), (221, 82632), (264, 69173), (286, 63852), (312, 58531), (313, 58344), (374, 48828), (408, 44759), (429, 42568), (442, 41316), (561, 32552), (572, 31926), (626, 29172), (663, 27544), (748, 24414), (858, 21284), (884, 20658), (939, 19448), (1122, 16276), (1144, 15963), (1252, 14586), (1326, 13772), (1496, 12207), (1716, 10642), (1768, 10329), (1878, 9724), (2244, 8138), (2431, 7512), (2504, 7293), (2652, 6886), (3432, 5321), (3443, 5304), (3756, 4862), (4069, 4488)]