18578690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{593}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 36224496

約数和(自身を除く): 17645806

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 482, 593, 1186, 1205, 2410, 2965, 3133, 5930, 6266, 7709, 15418, 15665, 31330, 38545, 77090, 142913, 285826, 714565, 1429130, 1857869, 3715738, 9289345, 18578690]

約数ペア:

[(1, 18578690), (2, 9289345), (5, 3715738), (10, 1857869), (13, 1429130), (26, 714565), (65, 285826), (130, 142913), (241, 77090), (482, 38545), (593, 31330), (1186, 15665), (1205, 15418), (2410, 7709), (2965, 6266), (3133, 5930)]