18764770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 36957888

約数和(自身を除く): 18193118

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 151, 170, 215, 289, 302, 430, 578, 731, 755, 1445, 1462, 1510, 2567, 2890, 3655, 5134, 6493, 7310, 12427, 12835, 12986, 24854, 25670, 32465, 43639, 62135, 64930, 87278, 110381, 124270, 218195, 220762, 436390, 551905, 1103810, 1876477, 3752954, 9382385, 18764770]

約数ペア:

[(1, 18764770), (2, 9382385), (5, 3752954), (10, 1876477), (17, 1103810), (34, 551905), (43, 436390), (85, 220762), (86, 218195), (151, 124270), (170, 110381), (215, 87278), (289, 64930), (302, 62135), (430, 43639), (578, 32465), (731, 25670), (755, 24854), (1445, 12986), (1462, 12835), (1510, 12427), (2567, 7310), (2890, 6493), (3655, 5134)]