19669728

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{15761}}^1$

素因数の和:15787

約数の個数: 48

約数和(自身を含む): 55608336

約数和(自身を除く): 35938608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 15761, 31522, 47283, 63044, 94566, 126088, 189132, 204893, 252176, 378264, 409786, 504352, 614679, 756528, 819572, 1229358, 1513056, 1639144, 2458716, 3278288, 4917432, 6556576, 9834864, 19669728]

約数ペア:

[(1, 19669728), (2, 9834864), (3, 6556576), (4, 4917432), (6, 3278288), (8, 2458716), (12, 1639144), (13, 1513056), (16, 1229358), (24, 819572), (26, 756528), (32, 614679), (39, 504352), (48, 409786), (52, 378264), (78, 252176), (96, 204893), (104, 189132), (156, 126088), (208, 94566), (312, 63044), (416, 47283), (624, 31522), (1248, 15761)]