18763980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1129}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 52775520

約数和(自身を除く): 34011540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1129, 1385, 1662, 2258, 2770, 3324, 3387, 4155, 4516, 5540, 5645, 6774, 8310, 11290, 13548, 16620, 16935, 22580, 33870, 67740, 312733, 625466, 938199, 1250932, 1563665, 1876398, 3127330, 3752796, 4690995, 6254660, 9381990, 18763980]

約数ペア:

[(1, 18763980), (2, 9381990), (3, 6254660), (4, 4690995), (5, 3752796), (6, 3127330), (10, 1876398), (12, 1563665), (15, 1250932), (20, 938199), (30, 625466), (60, 312733), (277, 67740), (554, 33870), (831, 22580), (1108, 16935), (1129, 16620), (1385, 13548), (1662, 11290), (2258, 8310), (2770, 6774), (3324, 5645), (3387, 5540), (4155, 4516)]