2018818568

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{40357}}^1$

素因数の和:40426

約数の個数: 48

約数和(自身を含む): 4209742980

約数和(自身を除く): 2190924412

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 169, 296, 338, 481, 676, 962, 1352, 1924, 3848, 6253, 12506, 25012, 40357, 50024, 80714, 161428, 322856, 524641, 1049282, 1493209, 2098564, 2986418, 4197128, 5972836, 6820333, 11945672, 13640666, 19411717, 27281332, 38823434, 54562664, 77646868, 155293736, 252352321, 504704642, 1009409284, 2018818568]

約数ペア:

[(1, 2018818568), (2, 1009409284), (4, 504704642), (8, 252352321), (13, 155293736), (26, 77646868), (37, 54562664), (52, 38823434), (74, 27281332), (104, 19411717), (148, 13640666), (169, 11945672), (296, 6820333), (338, 5972836), (481, 4197128), (676, 2986418), (962, 2098564), (1352, 1493209), (1924, 1049282), (3848, 524641), (6253, 322856), (12506, 161428), (25012, 80714), (40357, 50024)]