18324020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 46569600

約数和(自身を除く): 28245580

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 43, 44, 52, 55, 65, 86, 110, 130, 143, 149, 172, 215, 220, 260, 286, 298, 430, 473, 559, 572, 596, 715, 745, 860, 946, 1118, 1430, 1490, 1639, 1892, 1937, 2236, 2365, 2795, 2860, 2980, 3278, 3874, 4730, 5590, 6149, 6407, 6556, 7748, 8195, 9460, 9685, 11180, 12298, 12814, 16390, 19370, 21307, 24596, 25628, 30745, 32035, 32780, 38740, 42614, 61490, 64070, 70477, 83291, 85228, 106535, 122980, 128140, 140954, 166582, 213070, 281908, 333164, 352385, 416455, 426140, 704770, 832910, 916201, 1409540, 1665820, 1832402, 3664804, 4581005, 9162010, 18324020]

約数ペア:

[(1, 18324020), (2, 9162010), (4, 4581005), (5, 3664804), (10, 1832402), (11, 1665820), (13, 1409540), (20, 916201), (22, 832910), (26, 704770), (43, 426140), (44, 416455), (52, 352385), (55, 333164), (65, 281908), (86, 213070), (110, 166582), (130, 140954), (143, 128140), (149, 122980), (172, 106535), (215, 85228), (220, 83291), (260, 70477), (286, 64070), (298, 61490), (430, 42614), (473, 38740), (559, 32780), (572, 32035), (596, 30745), (715, 25628), (745, 24596), (860, 21307), (946, 19370), (1118, 16390), (1430, 12814), (1490, 12298), (1639, 11180), (1892, 9685), (1937, 9460), (2236, 8195), (2365, 7748), (2795, 6556), (2860, 6407), (2980, 6149), (3278, 5590), (3874, 4730)]