19647490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 37140480

約数和(自身を除く): 17492990

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1039, 1891, 2078, 3782, 5195, 9455, 10390, 18910, 32209, 63379, 64418, 126758, 161045, 316895, 322090, 633790, 1964749, 3929498, 9823745, 19647490]

約数ペア:

[(1, 19647490), (2, 9823745), (5, 3929498), (10, 1964749), (31, 633790), (61, 322090), (62, 316895), (122, 161045), (155, 126758), (305, 64418), (310, 63379), (610, 32209), (1039, 18910), (1891, 10390), (2078, 9455), (3782, 5195)]