19900428176

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{3917}}^1\times {\mathrm{10243}}^1$

素因数の和:14199

約数の個数: 40

約数和(自身を含む): 39814904064

約数和(自身を除く): 19914475888

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 3917, 7834, 10243, 15668, 20486, 31336, 40972, 62672, 81944, 121427, 163888, 242854, 317533, 485708, 635066, 971416, 1270132, 1942832, 2540264, 5080528, 40121831, 80243662, 160487324, 320974648, 641949296, 1243776761, 2487553522, 4975107044, 9950214088, 19900428176]

約数ペア:

[(1, 19900428176), (2, 9950214088), (4, 4975107044), (8, 2487553522), (16, 1243776761), (31, 641949296), (62, 320974648), (124, 160487324), (248, 80243662), (496, 40121831), (3917, 5080528), (7834, 2540264), (10243, 1942832), (15668, 1270132), (20486, 971416), (31336, 635066), (40972, 485708), (62672, 317533), (81944, 242854), (121427, 163888)]