19244375

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:812

約数の個数: 20

約数和(自身を含む): 24667104

約数和(自身を除く): 5422729

約数列:

[1, 5, 25, 41, 125, 205, 625, 751, 1025, 3755, 5125, 18775, 25625, 30791, 93875, 153955, 469375, 769775, 3848875, 19244375]

約数ペア:

[(1, 19244375), (5, 3848875), (25, 769775), (41, 469375), (125, 153955), (205, 93875), (625, 30791), (751, 25625), (1025, 18775), (3755, 5125)]