18267928

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 42854400

約数和(自身を除く): 24586472

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 62, 68, 119, 124, 136, 217, 238, 248, 434, 476, 527, 619, 868, 952, 1054, 1238, 1736, 2108, 2476, 3689, 4216, 4333, 4952, 7378, 8666, 10523, 14756, 17332, 19189, 21046, 29512, 34664, 38378, 42092, 73661, 76756, 84184, 134323, 147322, 153512, 268646, 294644, 326213, 537292, 589288, 652426, 1074584, 1304852, 2283491, 2609704, 4566982, 9133964, 18267928]

約数ペア:

[(1, 18267928), (2, 9133964), (4, 4566982), (7, 2609704), (8, 2283491), (14, 1304852), (17, 1074584), (28, 652426), (31, 589288), (34, 537292), (56, 326213), (62, 294644), (68, 268646), (119, 153512), (124, 147322), (136, 134323), (217, 84184), (238, 76756), (248, 73661), (434, 42092), (476, 38378), (527, 34664), (619, 29512), (868, 21046), (952, 19189), (1054, 17332), (1238, 14756), (1736, 10523), (2108, 8666), (2476, 7378), (3689, 4952), (4216, 4333)]