18128128

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{3727}}^1$

素因数の和:3762

約数の個数: 36

約数和(自身を含む): 38100160

約数和(自身を除く): 19972032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 3727, 4864, 7454, 14908, 29816, 59632, 70813, 119264, 141626, 238528, 283252, 477056, 566504, 954112, 1133008, 2266016, 4532032, 9064064, 18128128]

約数ペア:

[(1, 18128128), (2, 9064064), (4, 4532032), (8, 2266016), (16, 1133008), (19, 954112), (32, 566504), (38, 477056), (64, 283252), (76, 238528), (128, 141626), (152, 119264), (256, 70813), (304, 59632), (608, 29816), (1216, 14908), (2432, 7454), (3727, 4864)]