19393270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{619}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 37810080

約数和(自身を除く): 18416810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 482, 619, 1205, 1238, 2410, 3095, 3133, 6190, 6266, 8047, 15665, 16094, 31330, 40235, 80470, 149179, 298358, 745895, 1491790, 1939327, 3878654, 9696635, 19393270]

約数ペア:

[(1, 19393270), (2, 9696635), (5, 3878654), (10, 1939327), (13, 1491790), (26, 745895), (65, 298358), (130, 149179), (241, 80470), (482, 40235), (619, 31330), (1205, 16094), (1238, 15665), (2410, 8047), (3095, 6266), (3133, 6190)]