19410920

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1301}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 43825320

約数和(自身を除く): 24414400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1301, 1492, 1865, 2602, 2984, 3730, 5204, 6505, 7460, 10408, 13010, 14920, 26020, 52040, 485273, 970546, 1941092, 2426365, 3882184, 4852730, 9705460, 19410920]

約数ペア:

[(1, 19410920), (2, 9705460), (4, 4852730), (5, 3882184), (8, 2426365), (10, 1941092), (20, 970546), (40, 485273), (373, 52040), (746, 26020), (1301, 14920), (1492, 13010), (1865, 10408), (2602, 7460), (2984, 6505), (3730, 5204)]