18921000954

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1\times {\mathrm{2963}}^1$

素因数の和:3531

約数の個数: 64

約数和(自身を含む): 39550477824

約数和(自身を除く): 20629476870

約数列:

[1, 2, 3, 6, 43, 53, 86, 106, 129, 159, 258, 318, 467, 934, 1401, 2279, 2802, 2963, 4558, 5926, 6837, 8889, 13674, 17778, 20081, 24751, 40162, 49502, 60243, 74253, 120486, 127409, 148506, 157039, 254818, 314078, 382227, 471117, 764454, 942234, 1064293, 1383721, 2128586, 2767442, 3192879, 4151163, 6385758, 6752677, 8302326, 13505354, 20258031, 40516062, 59500003, 73337213, 119000006, 146674426, 178500009, 220011639, 357000018, 440023278, 3153500159, 6307000318, 9460500477, 18921000954]

約数ペア:

[(1, 18921000954), (2, 9460500477), (3, 6307000318), (6, 3153500159), (43, 440023278), (53, 357000018), (86, 220011639), (106, 178500009), (129, 146674426), (159, 119000006), (258, 73337213), (318, 59500003), (467, 40516062), (934, 20258031), (1401, 13505354), (2279, 8302326), (2802, 6752677), (2963, 6385758), (4558, 4151163), (5926, 3192879), (6837, 2767442), (8889, 2128586), (13674, 1383721), (17778, 1064293), (20081, 942234), (24751, 764454), (40162, 471117), (49502, 382227), (60243, 314078), (74253, 254818), (120486, 157039), (127409, 148506)]