18701190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{719}}^1$

素因数の和:766

約数の個数: 72

約数和(自身を含む): 51723360

約数和(自身を除く): 33022170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 289, 306, 510, 578, 719, 765, 867, 1438, 1445, 1530, 1734, 2157, 2601, 2890, 3595, 4314, 4335, 5202, 6471, 7190, 8670, 10785, 12223, 12942, 13005, 21570, 24446, 26010, 32355, 36669, 61115, 64710, 73338, 110007, 122230, 183345, 207791, 220014, 366690, 415582, 550035, 623373, 1038955, 1100070, 1246746, 1870119, 2077910, 3116865, 3740238, 6233730, 9350595, 18701190]

約数ペア:

[(1, 18701190), (2, 9350595), (3, 6233730), (5, 3740238), (6, 3116865), (9, 2077910), (10, 1870119), (15, 1246746), (17, 1100070), (18, 1038955), (30, 623373), (34, 550035), (45, 415582), (51, 366690), (85, 220014), (90, 207791), (102, 183345), (153, 122230), (170, 110007), (255, 73338), (289, 64710), (306, 61115), (510, 36669), (578, 32355), (719, 26010), (765, 24446), (867, 21570), (1438, 13005), (1445, 12942), (1530, 12223), (1734, 10785), (2157, 8670), (2601, 7190), (2890, 6471), (3595, 5202), (4314, 4335)]