19678568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27031}}^1$

素因数の和:27057

約数の個数: 32

約数和(自身を含む): 45413760

約数和(自身を除く): 25735192

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27031, 54062, 108124, 189217, 216248, 351403, 378434, 702806, 756868, 1405612, 1513736, 2459821, 2811224, 4919642, 9839284, 19678568]

約数ペア:

[(1, 19678568), (2, 9839284), (4, 4919642), (7, 2811224), (8, 2459821), (13, 1513736), (14, 1405612), (26, 756868), (28, 702806), (52, 378434), (56, 351403), (91, 216248), (104, 189217), (182, 108124), (364, 54062), (728, 27031)]