17913090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2043

約数の個数: 64

約数和(自身を含む): 48335616

約数和(自身を除く): 30422526

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 1997, 2990, 3994, 4485, 5991, 8970, 9985, 11982, 19970, 25961, 29955, 45931, 51922, 59910, 77883, 91862, 129805, 137793, 155766, 229655, 259610, 275586, 389415, 459310, 597103, 688965, 778830, 1194206, 1377930, 1791309, 2985515, 3582618, 5971030, 8956545, 17913090]

約数ペア:

[(1, 17913090), (2, 8956545), (3, 5971030), (5, 3582618), (6, 2985515), (10, 1791309), (13, 1377930), (15, 1194206), (23, 778830), (26, 688965), (30, 597103), (39, 459310), (46, 389415), (65, 275586), (69, 259610), (78, 229655), (115, 155766), (130, 137793), (138, 129805), (195, 91862), (230, 77883), (299, 59910), (345, 51922), (390, 45931), (598, 29955), (690, 25961), (897, 19970), (1495, 11982), (1794, 9985), (1997, 8970), (2990, 5991), (3994, 4485)]