15871518

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1030

約数の個数: 64

約数和(自身を含む): 39674880

約数和(自身を除く): 23803362

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 117, 138, 207, 234, 299, 351, 414, 598, 621, 702, 897, 983, 1242, 1794, 1966, 2691, 2949, 5382, 5898, 8073, 8847, 12779, 16146, 17694, 22609, 25558, 26541, 38337, 45218, 53082, 67827, 76674, 115011, 135654, 203481, 230022, 293917, 345033, 406962, 587834, 610443, 690066, 881751, 1220886, 1763502, 2645253, 5290506, 7935759, 15871518]

約数ペア:

[(1, 15871518), (2, 7935759), (3, 5290506), (6, 2645253), (9, 1763502), (13, 1220886), (18, 881751), (23, 690066), (26, 610443), (27, 587834), (39, 406962), (46, 345033), (54, 293917), (69, 230022), (78, 203481), (117, 135654), (138, 115011), (207, 76674), (234, 67827), (299, 53082), (351, 45218), (414, 38337), (598, 26541), (621, 25558), (702, 22609), (897, 17694), (983, 16146), (1242, 12779), (1794, 8847), (1966, 8073), (2691, 5898), (2949, 5382)]