18464796

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1559}}^1$

素因数の和:1623

約数の個数: 72

約数和(自身を含む): 54512640

約数和(自身を除く): 36047844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1316, 1559, 1692, 1974, 2961, 3118, 3948, 4677, 5922, 6236, 9354, 10913, 11844, 14031, 18708, 21826, 28062, 32739, 43652, 56124, 65478, 73273, 98217, 130956, 146546, 196434, 219819, 293092, 392868, 439638, 512911, 659457, 879276, 1025822, 1318914, 1538733, 2051644, 2637828, 3077466, 4616199, 6154932, 9232398, 18464796]

約数ペア:

[(1, 18464796), (2, 9232398), (3, 6154932), (4, 4616199), (6, 3077466), (7, 2637828), (9, 2051644), (12, 1538733), (14, 1318914), (18, 1025822), (21, 879276), (28, 659457), (36, 512911), (42, 439638), (47, 392868), (63, 293092), (84, 219819), (94, 196434), (126, 146546), (141, 130956), (188, 98217), (252, 73273), (282, 65478), (329, 56124), (423, 43652), (564, 32739), (658, 28062), (846, 21826), (987, 18708), (1316, 14031), (1559, 11844), (1692, 10913), (1974, 9354), (2961, 6236), (3118, 5922), (3948, 4677)]