18840804990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{2851}}^1\times {\mathrm{31469}}^1$

素因数の和:34337

約数の個数: 64

約数和(自身を含む): 51697405440

約数和(自身を除く): 32856600450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 2851, 5702, 8553, 14255, 17106, 19957, 28510, 31469, 39914, 42765, 59871, 62938, 85530, 94407, 99785, 119742, 157345, 188814, 199570, 220283, 299355, 314690, 440566, 472035, 598710, 660849, 944070, 1101415, 1321698, 2202830, 3304245, 6608490, 89718119, 179436238, 269154357, 448590595, 538308714, 628026833, 897181190, 1256053666, 1345771785, 1884080499, 2691543570, 3140134165, 3768160998, 6280268330, 9420402495, 18840804990]

約数ペア:

[(1, 18840804990), (2, 9420402495), (3, 6280268330), (5, 3768160998), (6, 3140134165), (7, 2691543570), (10, 1884080499), (14, 1345771785), (15, 1256053666), (21, 897181190), (30, 628026833), (35, 538308714), (42, 448590595), (70, 269154357), (105, 179436238), (210, 89718119), (2851, 6608490), (5702, 3304245), (8553, 2202830), (14255, 1321698), (17106, 1101415), (19957, 944070), (28510, 660849), (31469, 598710), (39914, 472035), (42765, 440566), (59871, 314690), (62938, 299355), (85530, 220283), (94407, 199570), (99785, 188814), (119742, 157345)]