19150840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28163}}^1$

素因数の和:28191

約数の個数: 32

約数和(自身を含む): 45625680

約数和(自身を除く): 26474840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28163, 56326, 112652, 140815, 225304, 281630, 478771, 563260, 957542, 1126520, 1915084, 2393855, 3830168, 4787710, 9575420, 19150840]

約数ペア:

[(1, 19150840), (2, 9575420), (4, 4787710), (5, 3830168), (8, 2393855), (10, 1915084), (17, 1126520), (20, 957542), (34, 563260), (40, 478771), (68, 281630), (85, 225304), (136, 140815), (170, 112652), (340, 56326), (680, 28163)]