18438156

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:583

約数の個数: 72

約数和(自身を含む): 51459408

約数和(自身を除く): 33021252

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 101, 132, 198, 202, 303, 396, 404, 461, 606, 909, 922, 1111, 1212, 1383, 1818, 1844, 2222, 2766, 3333, 3636, 4149, 4444, 5071, 5532, 6666, 8298, 9999, 10142, 13332, 15213, 16596, 19998, 20284, 30426, 39996, 45639, 46561, 60852, 91278, 93122, 139683, 182556, 186244, 279366, 419049, 512171, 558732, 838098, 1024342, 1536513, 1676196, 2048684, 3073026, 4609539, 6146052, 9219078, 18438156]

約数ペア:

[(1, 18438156), (2, 9219078), (3, 6146052), (4, 4609539), (6, 3073026), (9, 2048684), (11, 1676196), (12, 1536513), (18, 1024342), (22, 838098), (33, 558732), (36, 512171), (44, 419049), (66, 279366), (99, 186244), (101, 182556), (132, 139683), (198, 93122), (202, 91278), (303, 60852), (396, 46561), (404, 45639), (461, 39996), (606, 30426), (909, 20284), (922, 19998), (1111, 16596), (1212, 15213), (1383, 13332), (1818, 10142), (1844, 9999), (2222, 8298), (2766, 6666), (3333, 5532), (3636, 5071), (4149, 4444)]