19577820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1213}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 55067040

約数和(自身を除く): 35489220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 1076, 1213, 1345, 1614, 2426, 2690, 3228, 3639, 4035, 4852, 5380, 6065, 7278, 8070, 12130, 14556, 16140, 18195, 24260, 36390, 72780, 326297, 652594, 978891, 1305188, 1631485, 1957782, 3262970, 3915564, 4894455, 6525940, 9788910, 19577820]

約数ペア:

[(1, 19577820), (2, 9788910), (3, 6525940), (4, 4894455), (5, 3915564), (6, 3262970), (10, 1957782), (12, 1631485), (15, 1305188), (20, 978891), (30, 652594), (60, 326297), (269, 72780), (538, 36390), (807, 24260), (1076, 18195), (1213, 16140), (1345, 14556), (1614, 12130), (2426, 8070), (2690, 7278), (3228, 6065), (3639, 5380), (4035, 4852)]