18242480

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6163}}^1$

素因数の和:6213

約数の個数: 40

約数和(自身を含む): 43567152

約数和(自身を除く): 25324672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6163, 12326, 24652, 30815, 49304, 61630, 98608, 123260, 228031, 246520, 456062, 493040, 912124, 1140155, 1824248, 2280310, 3648496, 4560620, 9121240, 18242480]

約数ペア:

[(1, 18242480), (2, 9121240), (4, 4560620), (5, 3648496), (8, 2280310), (10, 1824248), (16, 1140155), (20, 912124), (37, 493040), (40, 456062), (74, 246520), (80, 228031), (148, 123260), (185, 98608), (296, 61630), (370, 49304), (592, 30815), (740, 24652), (1480, 12326), (2960, 6163)]