19519460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 44567040

約数和(自身を除く): 25047580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 1657, 2356, 2945, 3314, 5890, 6628, 8285, 11780, 16570, 31483, 33140, 51367, 62966, 102734, 125932, 157415, 205468, 256835, 314830, 513670, 629660, 975973, 1027340, 1951946, 3903892, 4879865, 9759730, 19519460]

約数ペア:

[(1, 19519460), (2, 9759730), (4, 4879865), (5, 3903892), (10, 1951946), (19, 1027340), (20, 975973), (31, 629660), (38, 513670), (62, 314830), (76, 256835), (95, 205468), (124, 157415), (155, 125932), (190, 102734), (310, 62966), (380, 51367), (589, 33140), (620, 31483), (1178, 16570), (1657, 11780), (2356, 8285), (2945, 6628), (3314, 5890)]