19100270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^2$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 41070240

約数和(自身を除く): 21969970

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 97, 145, 194, 203, 290, 406, 485, 679, 970, 1015, 1358, 2030, 2813, 3395, 5626, 6790, 9409, 14065, 18818, 19691, 28130, 39382, 47045, 65863, 94090, 98455, 131726, 196910, 272861, 329315, 545722, 658630, 1364305, 1910027, 2728610, 3820054, 9550135, 19100270]

約数ペア:

[(1, 19100270), (2, 9550135), (5, 3820054), (7, 2728610), (10, 1910027), (14, 1364305), (29, 658630), (35, 545722), (58, 329315), (70, 272861), (97, 196910), (145, 131726), (194, 98455), (203, 94090), (290, 65863), (406, 47045), (485, 39382), (679, 28130), (970, 19691), (1015, 18818), (1358, 14065), (2030, 9409), (2813, 6790), (3395, 5626)]