18279968

素因数分解:

$2^5\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1033}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 41690880

約数和(自身を除く): 23410912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 79, 112, 158, 224, 316, 553, 632, 1033, 1106, 1264, 2066, 2212, 2528, 4132, 4424, 7231, 8264, 8848, 14462, 16528, 17696, 28924, 33056, 57848, 81607, 115696, 163214, 231392, 326428, 571249, 652856, 1142498, 1305712, 2284996, 2611424, 4569992, 9139984, 18279968]

約数ペア:

[(1, 18279968), (2, 9139984), (4, 4569992), (7, 2611424), (8, 2284996), (14, 1305712), (16, 1142498), (28, 652856), (32, 571249), (56, 326428), (79, 231392), (112, 163214), (158, 115696), (224, 81607), (316, 57848), (553, 33056), (632, 28924), (1033, 17696), (1106, 16528), (1264, 14462), (2066, 8848), (2212, 8264), (2528, 7231), (4132, 4424)]