19605392

素因数分解:

$2^4\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 60

約数和(自身を含む): 41473536

約数和(自身を除く): 21868144

約数列:

[1, 2, 4, 8, 16, 29, 31, 47, 58, 62, 94, 116, 124, 188, 232, 248, 376, 464, 496, 752, 841, 899, 1363, 1457, 1682, 1798, 2726, 2914, 3364, 3596, 5452, 5828, 6728, 7192, 10904, 11656, 13456, 14384, 21808, 23312, 26071, 39527, 42253, 52142, 79054, 84506, 104284, 158108, 169012, 208568, 316216, 338024, 417136, 632432, 676048, 1225337, 2450674, 4901348, 9802696, 19605392]

約数ペア:

[(1, 19605392), (2, 9802696), (4, 4901348), (8, 2450674), (16, 1225337), (29, 676048), (31, 632432), (47, 417136), (58, 338024), (62, 316216), (94, 208568), (116, 169012), (124, 158108), (188, 104284), (232, 84506), (248, 79054), (376, 52142), (464, 42253), (496, 39527), (752, 26071), (841, 23312), (899, 21808), (1363, 14384), (1457, 13456), (1682, 11656), (1798, 10904), (2726, 7192), (2914, 6728), (3364, 5828), (3596, 5452)]