18891444

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 52778880

約数和(自身を除く): 33887436

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 101, 109, 132, 143, 156, 202, 218, 286, 303, 327, 404, 429, 436, 572, 606, 654, 858, 1111, 1199, 1212, 1308, 1313, 1417, 1716, 2222, 2398, 2626, 2834, 3333, 3597, 3939, 4251, 4444, 4796, 5252, 5668, 6666, 7194, 7878, 8502, 11009, 13332, 14388, 14443, 15587, 15756, 17004, 22018, 28886, 31174, 33027, 43329, 44036, 46761, 57772, 62348, 66054, 86658, 93522, 121099, 132108, 143117, 173316, 187044, 242198, 286234, 363297, 429351, 484396, 572468, 726594, 858702, 1453188, 1574287, 1717404, 3148574, 4722861, 6297148, 9445722, 18891444]

約数ペア:

[(1, 18891444), (2, 9445722), (3, 6297148), (4, 4722861), (6, 3148574), (11, 1717404), (12, 1574287), (13, 1453188), (22, 858702), (26, 726594), (33, 572468), (39, 484396), (44, 429351), (52, 363297), (66, 286234), (78, 242198), (101, 187044), (109, 173316), (132, 143117), (143, 132108), (156, 121099), (202, 93522), (218, 86658), (286, 66054), (303, 62348), (327, 57772), (404, 46761), (429, 44036), (436, 43329), (572, 33027), (606, 31174), (654, 28886), (858, 22018), (1111, 17004), (1199, 15756), (1212, 15587), (1308, 14443), (1313, 14388), (1417, 13332), (1716, 11009), (2222, 8502), (2398, 7878), (2626, 7194), (2834, 6666), (3333, 5668), (3597, 5252), (3939, 4796), (4251, 4444)]