18847188

素因数分解:

$2^2\times 3^3\times {\mathrm{47}}^2\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 72

約数和(自身を含む): 50556800

約数和(自身を除く): 31709612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 79, 94, 108, 141, 158, 188, 237, 282, 316, 423, 474, 564, 711, 846, 948, 1269, 1422, 1692, 2133, 2209, 2538, 2844, 3713, 4266, 4418, 5076, 6627, 7426, 8532, 8836, 11139, 13254, 14852, 19881, 22278, 26508, 33417, 39762, 44556, 59643, 66834, 79524, 100251, 119286, 133668, 174511, 200502, 238572, 349022, 401004, 523533, 698044, 1047066, 1570599, 2094132, 3141198, 4711797, 6282396, 9423594, 18847188]

約数ペア:

[(1, 18847188), (2, 9423594), (3, 6282396), (4, 4711797), (6, 3141198), (9, 2094132), (12, 1570599), (18, 1047066), (27, 698044), (36, 523533), (47, 401004), (54, 349022), (79, 238572), (94, 200502), (108, 174511), (141, 133668), (158, 119286), (188, 100251), (237, 79524), (282, 66834), (316, 59643), (423, 44556), (474, 39762), (564, 33417), (711, 26508), (846, 22278), (948, 19881), (1269, 14852), (1422, 13254), (1692, 11139), (2133, 8836), (2209, 8532), (2538, 7426), (2844, 6627), (3713, 5076), (4266, 4418)]