19014736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{809}}^1$

素因数の和:943

約数の個数: 40

約数和(自身を含む): 40075560

約数和(自身を除く): 21060824

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 208, 226, 452, 809, 904, 1469, 1618, 1808, 2938, 3236, 5876, 6472, 10517, 11752, 12944, 21034, 23504, 42068, 84136, 91417, 168272, 182834, 365668, 731336, 1188421, 1462672, 2376842, 4753684, 9507368, 19014736]

約数ペア:

[(1, 19014736), (2, 9507368), (4, 4753684), (8, 2376842), (13, 1462672), (16, 1188421), (26, 731336), (52, 365668), (104, 182834), (113, 168272), (208, 91417), (226, 84136), (452, 42068), (809, 23504), (904, 21034), (1469, 12944), (1618, 11752), (1808, 10517), (2938, 6472), (3236, 5876)]