2019204845

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{31751}}^1$

素因数の和:31865

約数の個数: 32

約数和(自身を含む): 2926264320

約数和(自身を除く): 907059475

約数列:

[1, 5, 7, 23, 35, 79, 115, 161, 395, 553, 805, 1817, 2765, 9085, 12719, 31751, 63595, 158755, 222257, 730273, 1111285, 2508329, 3651365, 5111911, 12541645, 17558303, 25559555, 57691567, 87791515, 288457835, 403840969, 2019204845]

約数ペア:

[(1, 2019204845), (5, 403840969), (7, 288457835), (23, 87791515), (35, 57691567), (79, 25559555), (115, 17558303), (161, 12541645), (395, 5111911), (553, 3651365), (805, 2508329), (1817, 1111285), (2765, 730273), (9085, 222257), (12719, 158755), (31751, 63595)]