18852728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2069}}^1$

素因数の和:2159

約数の個数: 32

約数和(自身を含む): 38005200

約数和(自身を除く): 19152472

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2069, 2278, 4138, 4556, 8276, 9112, 16552, 35173, 70346, 138623, 140692, 277246, 281384, 554492, 1108984, 2356591, 4713182, 9426364, 18852728]

約数ペア:

[(1, 18852728), (2, 9426364), (4, 4713182), (8, 2356591), (17, 1108984), (34, 554492), (67, 281384), (68, 277246), (134, 140692), (136, 138623), (268, 70346), (536, 35173), (1139, 16552), (2069, 9112), (2278, 8276), (4138, 4556)]