18725328

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{1193}}^1$

素因数の和:1316

約数の個数: 60

約数和(自身を含む): 52930020

約数和(自身を除く): 34204692

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1193, 1308, 1744, 1962, 2386, 2616, 3579, 3924, 4772, 5232, 7158, 7848, 9544, 10737, 14316, 15696, 19088, 21474, 28632, 42948, 57264, 85896, 130037, 171792, 260074, 390111, 520148, 780222, 1040296, 1170333, 1560444, 2080592, 2340666, 3120888, 4681332, 6241776, 9362664, 18725328]

約数ペア:

[(1, 18725328), (2, 9362664), (3, 6241776), (4, 4681332), (6, 3120888), (8, 2340666), (9, 2080592), (12, 1560444), (16, 1170333), (18, 1040296), (24, 780222), (36, 520148), (48, 390111), (72, 260074), (109, 171792), (144, 130037), (218, 85896), (327, 57264), (436, 42948), (654, 28632), (872, 21474), (981, 19088), (1193, 15696), (1308, 14316), (1744, 10737), (1962, 9544), (2386, 7848), (2616, 7158), (3579, 5232), (3924, 4772)]