18889376

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 41041728

約数和(自身を除く): 22152352

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 103, 176, 206, 352, 412, 521, 824, 1042, 1133, 1648, 2084, 2266, 3296, 4168, 4532, 5731, 8336, 9064, 11462, 16672, 18128, 22924, 36256, 45848, 53663, 91696, 107326, 183392, 214652, 429304, 590293, 858608, 1180586, 1717216, 2361172, 4722344, 9444688, 18889376]

約数ペア:

[(1, 18889376), (2, 9444688), (4, 4722344), (8, 2361172), (11, 1717216), (16, 1180586), (22, 858608), (32, 590293), (44, 429304), (88, 214652), (103, 183392), (176, 107326), (206, 91696), (352, 53663), (412, 45848), (521, 36256), (824, 22924), (1042, 18128), (1133, 16672), (1648, 11462), (2084, 9064), (2266, 8336), (3296, 5731), (4168, 4532)]