18911472

素因数分解:

$2^4\times 3^1\times {\mathrm{393989}}^1$

素因数の和:394000

約数の個数: 20

約数和(自身を含む): 48854760

約数和(自身を除く): 29943288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 393989, 787978, 1181967, 1575956, 2363934, 3151912, 4727868, 6303824, 9455736, 18911472]

約数ペア:

[(1, 18911472), (2, 9455736), (3, 6303824), (4, 4727868), (6, 3151912), (8, 2363934), (12, 1575956), (16, 1181967), (24, 787978), (48, 393989)]