18038904

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 36393096

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 19, 24, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 104, 114, 136, 152, 156, 179, 204, 221, 228, 247, 312, 323, 358, 408, 442, 456, 494, 537, 646, 663, 716, 741, 884, 969, 988, 1074, 1292, 1326, 1432, 1482, 1768, 1938, 1976, 2148, 2327, 2584, 2652, 2964, 3043, 3401, 3876, 4199, 4296, 4654, 5304, 5928, 6086, 6802, 6981, 7752, 8398, 9129, 9308, 10203, 12172, 12597, 13604, 13962, 16796, 18258, 18616, 20406, 24344, 25194, 27208, 27924, 33592, 36516, 39559, 40812, 44213, 50388, 55848, 57817, 73032, 79118, 81624, 88426, 100776, 115634, 118677, 132639, 158236, 173451, 176852, 231268, 237354, 265278, 316472, 346902, 353704, 462536, 474708, 530556, 693804, 751621, 949416, 1061112, 1387608, 1503242, 2254863, 3006484, 4509726, 6012968, 9019452, 18038904]

約数ペア:

[(1, 18038904), (2, 9019452), (3, 6012968), (4, 4509726), (6, 3006484), (8, 2254863), (12, 1503242), (13, 1387608), (17, 1061112), (19, 949416), (24, 751621), (26, 693804), (34, 530556), (38, 474708), (39, 462536), (51, 353704), (52, 346902), (57, 316472), (68, 265278), (76, 237354), (78, 231268), (102, 176852), (104, 173451), (114, 158236), (136, 132639), (152, 118677), (156, 115634), (179, 100776), (204, 88426), (221, 81624), (228, 79118), (247, 73032), (312, 57817), (323, 55848), (358, 50388), (408, 44213), (442, 40812), (456, 39559), (494, 36516), (537, 33592), (646, 27924), (663, 27208), (716, 25194), (741, 24344), (884, 20406), (969, 18616), (988, 18258), (1074, 16796), (1292, 13962), (1326, 13604), (1432, 12597), (1482, 12172), (1768, 10203), (1938, 9308), (1976, 9129), (2148, 8398), (2327, 7752), (2584, 6981), (2652, 6802), (2964, 6086), (3043, 5928), (3401, 5304), (3876, 4654), (4199, 4296)]