16703660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 37346400

約数和(自身を除く): 20642740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 380, 389, 452, 565, 778, 1130, 1556, 1945, 2147, 2260, 3890, 4294, 7391, 7780, 8588, 10735, 14782, 21470, 29564, 36955, 42940, 43957, 73910, 87914, 147820, 175828, 219785, 439570, 835183, 879140, 1670366, 3340732, 4175915, 8351830, 16703660]

約数ペア:

[(1, 16703660), (2, 8351830), (4, 4175915), (5, 3340732), (10, 1670366), (19, 879140), (20, 835183), (38, 439570), (76, 219785), (95, 175828), (113, 147820), (190, 87914), (226, 73910), (380, 43957), (389, 42940), (452, 36955), (565, 29564), (778, 21470), (1130, 14782), (1556, 10735), (1945, 8588), (2147, 7780), (2260, 7391), (3890, 4294)]