18064970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:863

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 23925430

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 110, 145, 154, 203, 290, 319, 385, 406, 638, 770, 809, 1015, 1595, 1618, 2030, 2233, 3190, 4045, 4466, 5663, 8090, 8899, 11165, 11326, 17798, 22330, 23461, 28315, 44495, 46922, 56630, 62293, 88990, 117305, 124586, 164227, 234610, 258071, 311465, 328454, 516142, 622930, 821135, 1290355, 1642270, 1806497, 2580710, 3612994, 9032485, 18064970]

約数ペア:

[(1, 18064970), (2, 9032485), (5, 3612994), (7, 2580710), (10, 1806497), (11, 1642270), (14, 1290355), (22, 821135), (29, 622930), (35, 516142), (55, 328454), (58, 311465), (70, 258071), (77, 234610), (110, 164227), (145, 124586), (154, 117305), (203, 88990), (290, 62293), (319, 56630), (385, 46922), (406, 44495), (638, 28315), (770, 23461), (809, 22330), (1015, 17798), (1595, 11326), (1618, 11165), (2030, 8899), (2233, 8090), (3190, 5663), (4045, 4466)]