18268804970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{719}}^1\times {\mathrm{811}}^1$

素因数の和:1791

約数の個数: 64

約数和(自身を含む): 35653685760

約数和(自身を除く): 17384880790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 482, 719, 811, 1205, 1438, 1622, 2410, 3133, 3595, 4055, 6266, 7190, 8110, 9347, 10543, 15665, 18694, 21086, 31330, 46735, 52715, 93470, 105430, 173279, 195451, 346558, 390902, 583109, 866395, 977255, 1166218, 1732790, 1954510, 2252627, 2540863, 2915545, 4505254, 5081726, 5831090, 7580417, 11263135, 12704315, 15160834, 22526270, 25408630, 37902085, 75804170, 140529269, 281058538, 702646345, 1405292690, 1826880497, 3653760994, 9134402485, 18268804970]

約数ペア:

[(1, 18268804970), (2, 9134402485), (5, 3653760994), (10, 1826880497), (13, 1405292690), (26, 702646345), (65, 281058538), (130, 140529269), (241, 75804170), (482, 37902085), (719, 25408630), (811, 22526270), (1205, 15160834), (1438, 12704315), (1622, 11263135), (2410, 7580417), (3133, 5831090), (3595, 5081726), (4055, 4505254), (6266, 2915545), (7190, 2540863), (8110, 2252627), (9347, 1954510), (10543, 1732790), (15665, 1166218), (18694, 977255), (21086, 866395), (31330, 583109), (46735, 390902), (52715, 346558), (93470, 195451), (105430, 173279)]