1916804560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{198017}}^1$

素因数の和:198052

約数の個数: 60

約数和(自身を含む): 4898569284

約数和(自身を除く): 2981764724

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 198017, 396034, 792068, 990085, 1584136, 1980170, 2178187, 3168272, 3960340, 4356374, 7920680, 8712748, 10890935, 15841360, 17425496, 21781870, 23960057, 34850992, 43563740, 47920114, 87127480, 95840228, 119800285, 174254960, 191680456, 239600570, 383360912, 479201140, 958402280, 1916804560]

約数ペア:

[(1, 1916804560), (2, 958402280), (4, 479201140), (5, 383360912), (8, 239600570), (10, 191680456), (11, 174254960), (16, 119800285), (20, 95840228), (22, 87127480), (40, 47920114), (44, 43563740), (55, 34850992), (80, 23960057), (88, 21781870), (110, 17425496), (121, 15841360), (176, 10890935), (220, 8712748), (242, 7920680), (440, 4356374), (484, 3960340), (605, 3168272), (880, 2178187), (968, 1980170), (1210, 1584136), (1936, 990085), (2420, 792068), (4840, 396034), (9680, 198017)]