19073680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7691}}^1$

素因数の和:7735

約数の個数: 40

約数和(自身を含む): 45782784

約数和(自身を除く): 26709104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7691, 15382, 30764, 38455, 61528, 76910, 123056, 153820, 238421, 307640, 476842, 615280, 953684, 1192105, 1907368, 2384210, 3814736, 4768420, 9536840, 19073680]

約数ペア:

[(1, 19073680), (2, 9536840), (4, 4768420), (5, 3814736), (8, 2384210), (10, 1907368), (16, 1192105), (20, 953684), (31, 615280), (40, 476842), (62, 307640), (80, 238421), (124, 153820), (155, 123056), (248, 76910), (310, 61528), (496, 38455), (620, 30764), (1240, 15382), (2480, 7691)]