19437960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{161983}}^1$

素因数の和:161997

約数の個数: 32

約数和(自身を含む): 58314240

約数和(自身を除く): 38876280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 161983, 323966, 485949, 647932, 809915, 971898, 1295864, 1619830, 1943796, 2429745, 3239660, 3887592, 4859490, 6479320, 9718980, 19437960]

約数ペア:

[(1, 19437960), (2, 9718980), (3, 6479320), (4, 4859490), (5, 3887592), (6, 3239660), (8, 2429745), (10, 1943796), (12, 1619830), (15, 1295864), (20, 971898), (24, 809915), (30, 647932), (40, 485949), (60, 323966), (120, 161983)]