18883670372

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{29311}}^1$

素因数の和:29521

約数の個数: 72

約数和(自身を含む): 40700298240

約数和(自身を除く): 21816627868

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 173, 196, 266, 346, 532, 692, 931, 1211, 1862, 2422, 3287, 3724, 4844, 6574, 8477, 13148, 16954, 23009, 29311, 33908, 46018, 58622, 92036, 117244, 161063, 205177, 322126, 410354, 556909, 644252, 820708, 1113818, 1436239, 2227636, 2872478, 3898363, 5070803, 5744956, 7796726, 10141606, 15593452, 20283212, 27288541, 35495621, 54577082, 70991242, 96345257, 109154164, 141982484, 192690514, 248469347, 385381028, 496938694, 674416799, 993877388, 1348833598, 2697667196, 4720917593, 9441835186, 18883670372]

約数ペア:

[(1, 18883670372), (2, 9441835186), (4, 4720917593), (7, 2697667196), (14, 1348833598), (19, 993877388), (28, 674416799), (38, 496938694), (49, 385381028), (76, 248469347), (98, 192690514), (133, 141982484), (173, 109154164), (196, 96345257), (266, 70991242), (346, 54577082), (532, 35495621), (692, 27288541), (931, 20283212), (1211, 15593452), (1862, 10141606), (2422, 7796726), (3287, 5744956), (3724, 5070803), (4844, 3898363), (6574, 2872478), (8477, 2227636), (13148, 1436239), (16954, 1113818), (23009, 820708), (29311, 644252), (33908, 556909), (46018, 410354), (58622, 322126), (92036, 205177), (117244, 161063)]