18991434

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 49488768

約数和(自身を除く): 30497334

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 37, 42, 66, 74, 77, 101, 111, 121, 154, 202, 222, 231, 242, 259, 303, 363, 407, 462, 518, 606, 707, 726, 777, 814, 847, 1111, 1221, 1414, 1554, 1694, 2121, 2222, 2442, 2541, 2849, 3333, 3737, 4242, 4477, 5082, 5698, 6666, 7474, 7777, 8547, 8954, 11211, 12221, 13431, 15554, 17094, 22422, 23331, 24442, 26159, 26862, 31339, 36663, 41107, 46662, 52318, 62678, 73326, 78477, 82214, 85547, 94017, 123321, 156954, 171094, 188034, 246642, 256641, 287749, 452177, 513282, 575498, 863247, 904354, 1356531, 1726494, 2713062, 3165239, 6330478, 9495717, 18991434]

約数ペア:

[(1, 18991434), (2, 9495717), (3, 6330478), (6, 3165239), (7, 2713062), (11, 1726494), (14, 1356531), (21, 904354), (22, 863247), (33, 575498), (37, 513282), (42, 452177), (66, 287749), (74, 256641), (77, 246642), (101, 188034), (111, 171094), (121, 156954), (154, 123321), (202, 94017), (222, 85547), (231, 82214), (242, 78477), (259, 73326), (303, 62678), (363, 52318), (407, 46662), (462, 41107), (518, 36663), (606, 31339), (707, 26862), (726, 26159), (777, 24442), (814, 23331), (847, 22422), (1111, 17094), (1221, 15554), (1414, 13431), (1554, 12221), (1694, 11211), (2121, 8954), (2222, 8547), (2442, 7777), (2541, 7474), (2849, 6666), (3333, 5698), (3737, 5082), (4242, 4477)]