18245656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 41277600

約数和(自身を除く): 23031944

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 286, 328, 389, 451, 533, 572, 778, 902, 1066, 1144, 1556, 1804, 2132, 3112, 3608, 4264, 4279, 5057, 5863, 8558, 10114, 11726, 15949, 17116, 20228, 23452, 31898, 34232, 40456, 46904, 55627, 63796, 111254, 127592, 175439, 207337, 222508, 350878, 414674, 445016, 701756, 829348, 1403512, 1658696, 2280707, 4561414, 9122828, 18245656]

約数ペア:

[(1, 18245656), (2, 9122828), (4, 4561414), (8, 2280707), (11, 1658696), (13, 1403512), (22, 829348), (26, 701756), (41, 445016), (44, 414674), (52, 350878), (82, 222508), (88, 207337), (104, 175439), (143, 127592), (164, 111254), (286, 63796), (328, 55627), (389, 46904), (451, 40456), (533, 34232), (572, 31898), (778, 23452), (902, 20228), (1066, 17116), (1144, 15949), (1556, 11726), (1804, 10114), (2132, 8558), (3112, 5863), (3608, 5057), (4264, 4279)]