19541490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 49545216

約数和(自身を除く): 30003726

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 127, 138, 223, 230, 254, 345, 381, 446, 635, 669, 690, 762, 1115, 1270, 1338, 1905, 2230, 2921, 3345, 3810, 5129, 5842, 6690, 8763, 10258, 14605, 15387, 17526, 25645, 28321, 29210, 30774, 43815, 51290, 56642, 76935, 84963, 87630, 141605, 153870, 169926, 283210, 424815, 651383, 849630, 1302766, 1954149, 3256915, 3908298, 6513830, 9770745, 19541490]

約数ペア:

[(1, 19541490), (2, 9770745), (3, 6513830), (5, 3908298), (6, 3256915), (10, 1954149), (15, 1302766), (23, 849630), (30, 651383), (46, 424815), (69, 283210), (115, 169926), (127, 153870), (138, 141605), (223, 87630), (230, 84963), (254, 76935), (345, 56642), (381, 51290), (446, 43815), (635, 30774), (669, 29210), (690, 28321), (762, 25645), (1115, 17526), (1270, 15387), (1338, 14605), (1905, 10258), (2230, 8763), (2921, 6690), (3345, 5842), (3810, 5129)]