19258280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 27190360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 170, 223, 254, 340, 446, 508, 635, 680, 892, 1016, 1115, 1270, 1784, 2159, 2230, 2540, 3791, 4318, 4460, 5080, 7582, 8636, 8920, 10795, 15164, 17272, 18955, 21590, 28321, 30328, 37910, 43180, 56642, 75820, 86360, 113284, 141605, 151640, 226568, 283210, 481457, 566420, 962914, 1132840, 1925828, 2407285, 3851656, 4814570, 9629140, 19258280]

約数ペア:

[(1, 19258280), (2, 9629140), (4, 4814570), (5, 3851656), (8, 2407285), (10, 1925828), (17, 1132840), (20, 962914), (34, 566420), (40, 481457), (68, 283210), (85, 226568), (127, 151640), (136, 141605), (170, 113284), (223, 86360), (254, 75820), (340, 56642), (446, 43180), (508, 37910), (635, 30328), (680, 28321), (892, 21590), (1016, 18955), (1115, 17272), (1270, 15164), (1784, 10795), (2159, 8920), (2230, 8636), (2540, 7582), (3791, 5080), (4318, 4460)]