18670496

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1213}}^1$

素因数の和:1273

約数の個数: 48

約数和(自身を含む): 40688424

約数和(自身を除く): 22017928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1213, 1924, 2426, 3848, 4852, 7696, 9704, 15392, 15769, 19408, 31538, 38816, 44881, 63076, 89762, 126152, 179524, 252304, 359048, 504608, 583453, 718096, 1166906, 1436192, 2333812, 4667624, 9335248, 18670496]

約数ペア:

[(1, 18670496), (2, 9335248), (4, 4667624), (8, 2333812), (13, 1436192), (16, 1166906), (26, 718096), (32, 583453), (37, 504608), (52, 359048), (74, 252304), (104, 179524), (148, 126152), (208, 89762), (296, 63076), (416, 44881), (481, 38816), (592, 31538), (962, 19408), (1184, 15769), (1213, 15392), (1924, 9704), (2426, 7696), (3848, 4852)]