18086480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 45145920

約数和(自身を除く): 27059440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 146, 152, 163, 190, 292, 304, 326, 365, 380, 584, 652, 730, 760, 815, 1168, 1304, 1387, 1460, 1520, 1630, 2608, 2774, 2920, 3097, 3260, 5548, 5840, 6194, 6520, 6935, 11096, 11899, 12388, 13040, 13870, 15485, 22192, 23798, 24776, 27740, 30970, 47596, 49552, 55480, 59495, 61940, 95192, 110960, 118990, 123880, 190384, 226081, 237980, 247760, 452162, 475960, 904324, 951920, 1130405, 1808648, 2260810, 3617296, 4521620, 9043240, 18086480]

約数ペア:

[(1, 18086480), (2, 9043240), (4, 4521620), (5, 3617296), (8, 2260810), (10, 1808648), (16, 1130405), (19, 951920), (20, 904324), (38, 475960), (40, 452162), (73, 247760), (76, 237980), (80, 226081), (95, 190384), (146, 123880), (152, 118990), (163, 110960), (190, 95192), (292, 61940), (304, 59495), (326, 55480), (365, 49552), (380, 47596), (584, 30970), (652, 27740), (730, 24776), (760, 23798), (815, 22192), (1168, 15485), (1304, 13870), (1387, 13040), (1460, 12388), (1520, 11899), (1630, 11096), (2608, 6935), (2774, 6520), (2920, 6194), (3097, 5840), (3260, 5548)]