18441668

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 40848192

約数和(自身を除く): 22406524

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 53, 68, 86, 106, 119, 172, 212, 238, 289, 301, 371, 476, 578, 602, 731, 742, 901, 1156, 1204, 1462, 1484, 1802, 2023, 2279, 2924, 3604, 4046, 4558, 5117, 6307, 8092, 9116, 10234, 12427, 12614, 15317, 15953, 20468, 24854, 25228, 30634, 31906, 38743, 49708, 61268, 63812, 77486, 86989, 107219, 154972, 173978, 214438, 271201, 347956, 428876, 542402, 658631, 1084804, 1317262, 2634524, 4610417, 9220834, 18441668]

約数ペア:

[(1, 18441668), (2, 9220834), (4, 4610417), (7, 2634524), (14, 1317262), (17, 1084804), (28, 658631), (34, 542402), (43, 428876), (53, 347956), (68, 271201), (86, 214438), (106, 173978), (119, 154972), (172, 107219), (212, 86989), (238, 77486), (289, 63812), (301, 61268), (371, 49708), (476, 38743), (578, 31906), (602, 30634), (731, 25228), (742, 24854), (901, 20468), (1156, 15953), (1204, 15317), (1462, 12614), (1484, 12427), (1802, 10234), (2023, 9116), (2279, 8092), (2924, 6307), (3604, 5117), (4046, 4558)]