18664190

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 34590240

約数和(自身を除く): 15926050

約数列:

[1, 2, 5, 10, 67, 89, 134, 178, 313, 335, 445, 626, 670, 890, 1565, 3130, 5963, 11926, 20971, 27857, 29815, 41942, 55714, 59630, 104855, 139285, 209710, 278570, 1866419, 3732838, 9332095, 18664190]

約数ペア:

[(1, 18664190), (2, 9332095), (5, 3732838), (10, 1866419), (67, 278570), (89, 209710), (134, 139285), (178, 104855), (313, 59630), (335, 55714), (445, 41942), (626, 29815), (670, 27857), (890, 20971), (1565, 11926), (3130, 5963)]