19881932

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2971}}^1$

素因数の和:3221

約数の個数: 24

約数和(自身を含む): 39943680

約数和(自身を除く): 20061748

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 2971, 3346, 5942, 6692, 11884, 20797, 41594, 83188, 710069, 1420138, 2840276, 4970483, 9940966, 19881932]

約数ペア:

[(1, 19881932), (2, 9940966), (4, 4970483), (7, 2840276), (14, 1420138), (28, 710069), (239, 83188), (478, 41594), (956, 20797), (1673, 11884), (2971, 6692), (3346, 5942)]