18703685

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 31256064

約数和(自身を除く): 12552379

約数列:

[1, 5, 7, 11, 13, 35, 37, 55, 65, 77, 91, 101, 143, 185, 259, 385, 407, 455, 481, 505, 707, 715, 1001, 1111, 1295, 1313, 2035, 2405, 2849, 3367, 3535, 3737, 5005, 5291, 5555, 6565, 7777, 9191, 14245, 14443, 16835, 18685, 26159, 26455, 37037, 38885, 41107, 45955, 48581, 72215, 101101, 130795, 185185, 205535, 242905, 287749, 340067, 505505, 534391, 1438745, 1700335, 2671955, 3740737, 18703685]

約数ペア:

[(1, 18703685), (5, 3740737), (7, 2671955), (11, 1700335), (13, 1438745), (35, 534391), (37, 505505), (55, 340067), (65, 287749), (77, 242905), (91, 205535), (101, 185185), (143, 130795), (185, 101101), (259, 72215), (385, 48581), (407, 45955), (455, 41107), (481, 38885), (505, 37037), (707, 26455), (715, 26159), (1001, 18685), (1111, 16835), (1295, 14443), (1313, 14245), (2035, 9191), (2405, 7777), (2849, 6565), (3367, 5555), (3535, 5291), (3737, 5005)]