19601679

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 28283904

約数和(自身を除く): 8682225

約数列:

[1, 3, 43, 47, 53, 61, 129, 141, 159, 183, 2021, 2279, 2491, 2623, 2867, 3233, 6063, 6837, 7473, 7869, 8601, 9699, 107113, 123281, 139019, 151951, 321339, 369843, 417057, 455853, 6533893, 19601679]

約数ペア:

[(1, 19601679), (3, 6533893), (43, 455853), (47, 417057), (53, 369843), (61, 321339), (129, 151951), (141, 139019), (159, 123281), (183, 107113), (2021, 9699), (2279, 8601), (2491, 7869), (2623, 7473), (2867, 6837), (3233, 6063)]