12357220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 28224000

約数和(自身を除く): 15866780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1049, 1178, 2098, 2356, 2945, 4196, 5245, 5890, 10490, 11780, 19931, 20980, 32519, 39862, 65038, 79724, 99655, 130076, 162595, 199310, 325190, 398620, 617861, 650380, 1235722, 2471444, 3089305, 6178610, 12357220]

約数ペア:

[(1, 12357220), (2, 6178610), (4, 3089305), (5, 2471444), (10, 1235722), (19, 650380), (20, 617861), (31, 398620), (38, 325190), (62, 199310), (76, 162595), (95, 130076), (124, 99655), (155, 79724), (190, 65038), (310, 39862), (380, 32519), (589, 20980), (620, 19931), (1049, 11780), (1178, 10490), (2098, 5890), (2356, 5245), (2945, 4196)]