19870916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13177}}^1$

素因数の和:13223

約数の個数: 24

約数和(自身を含む): 38743320

約数和(自身を除く): 18872404

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 13177, 26354, 52708, 171301, 342602, 382133, 685204, 764266, 1528532, 4967729, 9935458, 19870916]

約数ペア:

[(1, 19870916), (2, 9935458), (4, 4967729), (13, 1528532), (26, 764266), (29, 685204), (52, 382133), (58, 342602), (116, 171301), (377, 52708), (754, 26354), (1508, 13177)]