2019999605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{15377}}^1$

素因数の和:15485

約数の個数: 32

約数和(自身を含む): 2728180224

約数和(自身を除く): 708180619

約数列:

[1, 5, 13, 43, 47, 65, 215, 235, 559, 611, 2021, 2795, 3055, 10105, 15377, 26273, 76885, 131365, 199901, 661211, 722719, 999505, 3306055, 3613595, 8595743, 9395347, 31076917, 42978715, 46976735, 155384585, 403999921, 2019999605]

約数ペア:

[(1, 2019999605), (5, 403999921), (13, 155384585), (43, 46976735), (47, 42978715), (65, 31076917), (215, 9395347), (235, 8595743), (559, 3613595), (611, 3306055), (2021, 999505), (2795, 722719), (3055, 661211), (10105, 199901), (15377, 131365), (26273, 76885)]