18202580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 45868032

約数和(自身を除く): 27665452

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 31, 34, 44, 55, 62, 68, 85, 110, 124, 155, 157, 170, 187, 220, 310, 314, 340, 341, 374, 527, 620, 628, 682, 748, 785, 935, 1054, 1364, 1570, 1705, 1727, 1870, 2108, 2635, 2669, 3140, 3410, 3454, 3740, 4867, 5270, 5338, 5797, 6820, 6908, 8635, 9734, 10540, 10676, 11594, 13345, 17270, 19468, 23188, 24335, 26690, 28985, 29359, 34540, 48670, 53380, 53537, 57970, 58718, 82739, 97340, 107074, 115940, 117436, 146795, 165478, 214148, 267685, 293590, 330956, 413695, 535370, 587180, 827390, 910129, 1070740, 1654780, 1820258, 3640516, 4550645, 9101290, 18202580]

約数ペア:

[(1, 18202580), (2, 9101290), (4, 4550645), (5, 3640516), (10, 1820258), (11, 1654780), (17, 1070740), (20, 910129), (22, 827390), (31, 587180), (34, 535370), (44, 413695), (55, 330956), (62, 293590), (68, 267685), (85, 214148), (110, 165478), (124, 146795), (155, 117436), (157, 115940), (170, 107074), (187, 97340), (220, 82739), (310, 58718), (314, 57970), (340, 53537), (341, 53380), (374, 48670), (527, 34540), (620, 29359), (628, 28985), (682, 26690), (748, 24335), (785, 23188), (935, 19468), (1054, 17270), (1364, 13345), (1570, 11594), (1705, 10676), (1727, 10540), (1870, 9734), (2108, 8635), (2635, 6908), (2669, 6820), (3140, 5797), (3410, 5338), (3454, 5270), (3740, 4867)]