18294815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 29998080

約数和(自身を除く): 11703265

約数列:

[1, 5, 7, 11, 19, 35, 41, 55, 61, 77, 95, 133, 205, 209, 287, 305, 385, 427, 451, 665, 671, 779, 1045, 1159, 1435, 1463, 2135, 2255, 2501, 3157, 3355, 3895, 4697, 5453, 5795, 7315, 8113, 8569, 12505, 12749, 15785, 17507, 23485, 27265, 27511, 40565, 42845, 47519, 59983, 63745, 87535, 89243, 137555, 192577, 237595, 299915, 332633, 446215, 522709, 962885, 1663165, 2613545, 3658963, 18294815]

約数ペア:

[(1, 18294815), (5, 3658963), (7, 2613545), (11, 1663165), (19, 962885), (35, 522709), (41, 446215), (55, 332633), (61, 299915), (77, 237595), (95, 192577), (133, 137555), (205, 89243), (209, 87535), (287, 63745), (305, 59983), (385, 47519), (427, 42845), (451, 40565), (665, 27511), (671, 27265), (779, 23485), (1045, 17507), (1159, 15785), (1435, 12749), (1463, 12505), (2135, 8569), (2255, 8113), (2501, 7315), (3157, 5795), (3355, 5453), (3895, 4697)]