18690032

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:417

約数の個数: 40

約数和(自身を含む): 37630032

約数和(自身を除く): 18940000

約数列:

[1, 2, 4, 8, 16, 37, 74, 131, 148, 241, 262, 296, 482, 524, 592, 964, 1048, 1928, 2096, 3856, 4847, 8917, 9694, 17834, 19388, 31571, 35668, 38776, 63142, 71336, 77552, 126284, 142672, 252568, 505136, 1168127, 2336254, 4672508, 9345016, 18690032]

約数ペア:

[(1, 18690032), (2, 9345016), (4, 4672508), (8, 2336254), (16, 1168127), (37, 505136), (74, 252568), (131, 142672), (148, 126284), (241, 77552), (262, 71336), (296, 63142), (482, 38776), (524, 35668), (592, 31571), (964, 19388), (1048, 17834), (1928, 9694), (2096, 8917), (3856, 4847)]