19163480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 49896000

約数和(自身を除く): 30732520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 769, 890, 1246, 1538, 1780, 2492, 3076, 3115, 3560, 3845, 4984, 5383, 6152, 6230, 7690, 10766, 12460, 15380, 21532, 24920, 26915, 30760, 43064, 53830, 68441, 107660, 136882, 215320, 273764, 342205, 479087, 547528, 684410, 958174, 1368820, 1916348, 2395435, 2737640, 3832696, 4790870, 9581740, 19163480]

約数ペア:

[(1, 19163480), (2, 9581740), (4, 4790870), (5, 3832696), (7, 2737640), (8, 2395435), (10, 1916348), (14, 1368820), (20, 958174), (28, 684410), (35, 547528), (40, 479087), (56, 342205), (70, 273764), (89, 215320), (140, 136882), (178, 107660), (280, 68441), (356, 53830), (445, 43064), (623, 30760), (712, 26915), (769, 24920), (890, 21532), (1246, 15380), (1538, 12460), (1780, 10766), (2492, 7690), (3076, 6230), (3115, 6152), (3560, 5383), (3845, 4984)]