18249488

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:623

約数の個数: 40

約数和(自身を含む): 37336896

約数和(自身を除く): 19087408

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 101, 184, 202, 368, 404, 491, 808, 982, 1616, 1964, 2323, 3928, 4646, 7856, 9292, 11293, 18584, 22586, 37168, 45172, 49591, 90344, 99182, 180688, 198364, 396728, 793456, 1140593, 2281186, 4562372, 9124744, 18249488]

約数ペア:

[(1, 18249488), (2, 9124744), (4, 4562372), (8, 2281186), (16, 1140593), (23, 793456), (46, 396728), (92, 198364), (101, 180688), (184, 99182), (202, 90344), (368, 49591), (404, 45172), (491, 37168), (808, 22586), (982, 18584), (1616, 11293), (1964, 9292), (2323, 7856), (3928, 4646)]