19476560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14321}}^1$

素因数の和:14351

約数の個数: 40

約数和(自身を含む): 47950056

約数和(自身を除く): 28473496

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14321, 28642, 57284, 71605, 114568, 143210, 229136, 243457, 286420, 486914, 572840, 973828, 1145680, 1217285, 1947656, 2434570, 3895312, 4869140, 9738280, 19476560]

約数ペア:

[(1, 19476560), (2, 9738280), (4, 4869140), (5, 3895312), (8, 2434570), (10, 1947656), (16, 1217285), (17, 1145680), (20, 973828), (34, 572840), (40, 486914), (68, 286420), (80, 243457), (85, 229136), (136, 143210), (170, 114568), (272, 71605), (340, 57284), (680, 28642), (1360, 14321)]