18997290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1249}}^1$

素因数の和:1288

約数の個数: 72

約数和(自身を含む): 53527500

約数和(自身を除く): 34530210

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1249, 1521, 1690, 2498, 2535, 3042, 3747, 5070, 6245, 7494, 7605, 11241, 12490, 15210, 16237, 18735, 22482, 32474, 37470, 48711, 56205, 81185, 97422, 112410, 146133, 162370, 211081, 243555, 292266, 422162, 487110, 633243, 730665, 1055405, 1266486, 1461330, 1899729, 2110810, 3166215, 3799458, 6332430, 9498645, 18997290]

約数ペア:

[(1, 18997290), (2, 9498645), (3, 6332430), (5, 3799458), (6, 3166215), (9, 2110810), (10, 1899729), (13, 1461330), (15, 1266486), (18, 1055405), (26, 730665), (30, 633243), (39, 487110), (45, 422162), (65, 292266), (78, 243555), (90, 211081), (117, 162370), (130, 146133), (169, 112410), (195, 97422), (234, 81185), (338, 56205), (390, 48711), (507, 37470), (585, 32474), (845, 22482), (1014, 18735), (1170, 16237), (1249, 15210), (1521, 12490), (1690, 11241), (2498, 7605), (2535, 7494), (3042, 6245), (3747, 5070)]