18272384

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 39984000

約数和(自身を除く): 21711616

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 139, 158, 208, 278, 316, 416, 556, 632, 832, 1027, 1112, 1264, 1664, 1807, 2054, 2224, 2528, 3614, 4108, 4448, 5056, 7228, 8216, 8896, 10112, 10981, 14456, 16432, 17792, 21962, 28912, 32864, 43924, 57824, 65728, 87848, 115648, 131456, 142753, 175696, 231296, 285506, 351392, 571012, 702784, 1142024, 1405568, 2284048, 4568096, 9136192, 18272384]

約数ペア:

[(1, 18272384), (2, 9136192), (4, 4568096), (8, 2284048), (13, 1405568), (16, 1142024), (26, 702784), (32, 571012), (52, 351392), (64, 285506), (79, 231296), (104, 175696), (128, 142753), (139, 131456), (158, 115648), (208, 87848), (278, 65728), (316, 57824), (416, 43924), (556, 32864), (632, 28912), (832, 21962), (1027, 17792), (1112, 16432), (1264, 14456), (1664, 10981), (1807, 10112), (2054, 8896), (2224, 8216), (2528, 7228), (3614, 5056), (4108, 4448)]