18319644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 53406080

約数和(自身を除く): 35086436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 523, 556, 834, 973, 1046, 1251, 1569, 1668, 1946, 2092, 2502, 2919, 3138, 3661, 3892, 4707, 5004, 5838, 6276, 7322, 8757, 9414, 10983, 11676, 14644, 17514, 18828, 21966, 32949, 35028, 43932, 65898, 72697, 131796, 145394, 218091, 290788, 436182, 508879, 654273, 872364, 1017758, 1308546, 1526637, 2035516, 2617092, 3053274, 4579911, 6106548, 9159822, 18319644]

約数ペア:

[(1, 18319644), (2, 9159822), (3, 6106548), (4, 4579911), (6, 3053274), (7, 2617092), (9, 2035516), (12, 1526637), (14, 1308546), (18, 1017758), (21, 872364), (28, 654273), (36, 508879), (42, 436182), (63, 290788), (84, 218091), (126, 145394), (139, 131796), (252, 72697), (278, 65898), (417, 43932), (523, 35028), (556, 32949), (834, 21966), (973, 18828), (1046, 17514), (1251, 14644), (1569, 11676), (1668, 10983), (1946, 9414), (2092, 8757), (2502, 7322), (2919, 6276), (3138, 5838), (3661, 5004), (3892, 4707)]