19961830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9199}}^1$

素因数の和:9244

約数の個数: 32

約数和(自身を含む): 42393600

約数和(自身を除く): 22431770

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9199, 18398, 45995, 64393, 91990, 128786, 285169, 321965, 570338, 643930, 1425845, 1996183, 2851690, 3992366, 9980915, 19961830]

約数ペア:

[(1, 19961830), (2, 9980915), (5, 3992366), (7, 2851690), (10, 1996183), (14, 1425845), (31, 643930), (35, 570338), (62, 321965), (70, 285169), (155, 128786), (217, 91990), (310, 64393), (434, 45995), (1085, 18398), (2170, 9199)]