154493180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{406561}}^1$

素因数の和:406589

約数の個数: 24

約数和(自身を含む): 341512080

約数和(自身を除く): 187018900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 406561, 813122, 1626244, 2032805, 4065610, 7724659, 8131220, 15449318, 30898636, 38623295, 77246590, 154493180]

約数ペア:

[(1, 154493180), (2, 77246590), (4, 38623295), (5, 30898636), (10, 15449318), (19, 8131220), (20, 7724659), (38, 4065610), (76, 2032805), (95, 1626244), (190, 813122), (380, 406561)]