19089560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{863}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 30676840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 863, 1106, 1580, 1726, 2212, 2765, 3160, 3452, 4315, 4424, 5530, 6041, 6904, 8630, 11060, 12082, 17260, 22120, 24164, 30205, 34520, 48328, 60410, 68177, 120820, 136354, 241640, 272708, 340885, 477239, 545416, 681770, 954478, 1363540, 1908956, 2386195, 2727080, 3817912, 4772390, 9544780, 19089560]

約数ペア:

[(1, 19089560), (2, 9544780), (4, 4772390), (5, 3817912), (7, 2727080), (8, 2386195), (10, 1908956), (14, 1363540), (20, 954478), (28, 681770), (35, 545416), (40, 477239), (56, 340885), (70, 272708), (79, 241640), (140, 136354), (158, 120820), (280, 68177), (316, 60410), (395, 48328), (553, 34520), (632, 30205), (790, 24164), (863, 22120), (1106, 17260), (1580, 12082), (1726, 11060), (2212, 8630), (2765, 6904), (3160, 6041), (3452, 5530), (4315, 4424)]