19219616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1053

約数の個数: 48

約数和(自身を含む): 41658624

約数和(自身を除く): 22439008

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 983, 1222, 1504, 1966, 2444, 3932, 4888, 7864, 9776, 12779, 15728, 19552, 25558, 31456, 46201, 51116, 92402, 102232, 184804, 204464, 369608, 408928, 600613, 739216, 1201226, 1478432, 2402452, 4804904, 9609808, 19219616]

約数ペア:

[(1, 19219616), (2, 9609808), (4, 4804904), (8, 2402452), (13, 1478432), (16, 1201226), (26, 739216), (32, 600613), (47, 408928), (52, 369608), (94, 204464), (104, 184804), (188, 102232), (208, 92402), (376, 51116), (416, 46201), (611, 31456), (752, 25558), (983, 19552), (1222, 15728), (1504, 12779), (1966, 9776), (2444, 7864), (3932, 4888)]