19541898

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1699}}^1$

素因数の和:1784

約数の個数: 40

約数和(自身を含む): 44431200

約数和(自身を除く): 24889302

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1699, 1917, 3398, 3834, 5097, 5751, 10194, 11502, 15291, 30582, 45873, 91746, 120629, 137619, 241258, 275238, 361887, 723774, 1085661, 2171322, 3256983, 6513966, 9770949, 19541898]

約数ペア:

[(1, 19541898), (2, 9770949), (3, 6513966), (6, 3256983), (9, 2171322), (18, 1085661), (27, 723774), (54, 361887), (71, 275238), (81, 241258), (142, 137619), (162, 120629), (213, 91746), (426, 45873), (639, 30582), (1278, 15291), (1699, 11502), (1917, 10194), (3398, 5751), (3834, 5097)]