18058664

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 39742110

約数和(自身を除く): 21683446

約数列:

[1, 2, 4, 8, 13, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 169, 247, 296, 338, 361, 481, 494, 676, 703, 722, 962, 988, 1352, 1406, 1444, 1924, 1976, 2812, 2888, 3211, 3848, 4693, 5624, 6253, 6422, 9139, 9386, 12506, 12844, 13357, 18278, 18772, 25012, 25688, 26714, 36556, 37544, 50024, 53428, 61009, 73112, 106856, 118807, 122018, 173641, 237614, 244036, 347282, 475228, 488072, 694564, 950456, 1389128, 2257333, 4514666, 9029332, 18058664]

約数ペア:

[(1, 18058664), (2, 9029332), (4, 4514666), (8, 2257333), (13, 1389128), (19, 950456), (26, 694564), (37, 488072), (38, 475228), (52, 347282), (74, 244036), (76, 237614), (104, 173641), (148, 122018), (152, 118807), (169, 106856), (247, 73112), (296, 61009), (338, 53428), (361, 50024), (481, 37544), (494, 36556), (676, 26714), (703, 25688), (722, 25012), (962, 18772), (988, 18278), (1352, 13357), (1406, 12844), (1444, 12506), (1924, 9386), (1976, 9139), (2812, 6422), (2888, 6253), (3211, 5624), (3848, 4693)]