18665932

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:346

約数の個数: 36

約数和(自身を含む): 35363944

約数和(自身を除く): 16698012

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 241, 268, 289, 482, 578, 964, 1139, 1156, 2278, 4097, 4556, 8194, 16147, 16388, 19363, 32294, 38726, 64588, 69649, 77452, 139298, 274499, 278596, 548998, 1097996, 4666483, 9332966, 18665932]

約数ペア:

[(1, 18665932), (2, 9332966), (4, 4666483), (17, 1097996), (34, 548998), (67, 278596), (68, 274499), (134, 139298), (241, 77452), (268, 69649), (289, 64588), (482, 38726), (578, 32294), (964, 19363), (1139, 16388), (1156, 16147), (2278, 8194), (4097, 4556)]