19741300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4591}}^1$

素因数の和:4648

約数の個数: 36

約数和(自身を含む): 43844416

約数和(自身を除く): 24103116

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 4591, 9182, 18364, 22955, 45910, 91820, 114775, 197413, 229550, 394826, 459100, 789652, 987065, 1974130, 3948260, 4935325, 9870650, 19741300]

約数ペア:

[(1, 19741300), (2, 9870650), (4, 4935325), (5, 3948260), (10, 1974130), (20, 987065), (25, 789652), (43, 459100), (50, 394826), (86, 229550), (100, 197413), (172, 114775), (215, 91820), (430, 45910), (860, 22955), (1075, 18364), (2150, 9182), (4300, 4591)]