18138660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17783}}^1$

素因数の和:17812

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 35640156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 17783, 35566, 53349, 71132, 88915, 106698, 177830, 213396, 266745, 302311, 355660, 533490, 604622, 906933, 1066980, 1209244, 1511555, 1813866, 3023110, 3627732, 4534665, 6046220, 9069330, 18138660]

約数ペア:

[(1, 18138660), (2, 9069330), (3, 6046220), (4, 4534665), (5, 3627732), (6, 3023110), (10, 1813866), (12, 1511555), (15, 1209244), (17, 1066980), (20, 906933), (30, 604622), (34, 533490), (51, 355660), (60, 302311), (68, 266745), (85, 213396), (102, 177830), (170, 106698), (204, 88915), (255, 71132), (340, 53349), (510, 35566), (1020, 17783)]