18279420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17921}}^1$

素因数の和:17950

約数の個数: 48

約数和(自身を含む): 54196128

約数和(自身を除く): 35916708

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, 17921, 35842, 53763, 71684, 89605, 107526, 179210, 215052, 268815, 304657, 358420, 537630, 609314, 913971, 1075260, 1218628, 1523285, 1827942, 3046570, 3655884, 4569855, 6093140, 9139710, 18279420]

約数ペア:

[(1, 18279420), (2, 9139710), (3, 6093140), (4, 4569855), (5, 3655884), (6, 3046570), (10, 1827942), (12, 1523285), (15, 1218628), (17, 1075260), (20, 913971), (30, 609314), (34, 537630), (51, 358420), (60, 304657), (68, 268815), (85, 215052), (102, 179210), (170, 107526), (204, 89605), (255, 71684), (340, 53763), (510, 35842), (1020, 17921)]