18634910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 40449024

約数和(自身を除く): 21814114

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 43, 70, 82, 86, 151, 205, 215, 287, 301, 302, 410, 430, 574, 602, 755, 1057, 1435, 1505, 1510, 1763, 2114, 2870, 3010, 3526, 5285, 6191, 6493, 8815, 10570, 12341, 12382, 12986, 17630, 24682, 30955, 32465, 43337, 45451, 61705, 61910, 64930, 86674, 90902, 123410, 216685, 227255, 266213, 433370, 454510, 532426, 1331065, 1863491, 2662130, 3726982, 9317455, 18634910]

約数ペア:

[(1, 18634910), (2, 9317455), (5, 3726982), (7, 2662130), (10, 1863491), (14, 1331065), (35, 532426), (41, 454510), (43, 433370), (70, 266213), (82, 227255), (86, 216685), (151, 123410), (205, 90902), (215, 86674), (287, 64930), (301, 61910), (302, 61705), (410, 45451), (430, 43337), (574, 32465), (602, 30955), (755, 24682), (1057, 17630), (1435, 12986), (1505, 12382), (1510, 12341), (1763, 10570), (2114, 8815), (2870, 6493), (3010, 6191), (3526, 5285)]