19511843660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{471073}}^1$

素因数の和:471210

約数の個数: 48

約数和(自身を含む): 43527237600

約数和(自身を除く): 24015393940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 4142, 8284, 10355, 20710, 41420, 471073, 942146, 1884292, 2355365, 4710730, 8950387, 9421460, 17900774, 35801548, 44751935, 51346957, 89503870, 102693914, 179007740, 205387828, 256734785, 513469570, 975592183, 1026939140, 1951184366, 3902368732, 4877960915, 9755921830, 19511843660]

約数ペア:

[(1, 19511843660), (2, 9755921830), (4, 4877960915), (5, 3902368732), (10, 1951184366), (19, 1026939140), (20, 975592183), (38, 513469570), (76, 256734785), (95, 205387828), (109, 179007740), (190, 102693914), (218, 89503870), (380, 51346957), (436, 44751935), (545, 35801548), (1090, 17900774), (2071, 9421460), (2180, 8950387), (4142, 4710730), (8284, 2355365), (10355, 1884292), (20710, 942146), (41420, 471073)]