19941180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:699

約数の個数: 96

約数和(自身を含む): 64727040

約数和(自身を除く): 44785860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 79, 84, 105, 140, 158, 210, 237, 316, 395, 420, 474, 553, 601, 790, 948, 1106, 1185, 1202, 1580, 1659, 1803, 2212, 2370, 2404, 2765, 3005, 3318, 3606, 4207, 4740, 5530, 6010, 6636, 7212, 8295, 8414, 9015, 11060, 12020, 12621, 16590, 16828, 18030, 21035, 25242, 33180, 36060, 42070, 47479, 50484, 63105, 84140, 94958, 126210, 142437, 189916, 237395, 252420, 284874, 332353, 474790, 569748, 664706, 712185, 949580, 997059, 1329412, 1424370, 1661765, 1994118, 2848740, 3323530, 3988236, 4985295, 6647060, 9970590, 19941180]

約数ペア:

[(1, 19941180), (2, 9970590), (3, 6647060), (4, 4985295), (5, 3988236), (6, 3323530), (7, 2848740), (10, 1994118), (12, 1661765), (14, 1424370), (15, 1329412), (20, 997059), (21, 949580), (28, 712185), (30, 664706), (35, 569748), (42, 474790), (60, 332353), (70, 284874), (79, 252420), (84, 237395), (105, 189916), (140, 142437), (158, 126210), (210, 94958), (237, 84140), (316, 63105), (395, 50484), (420, 47479), (474, 42070), (553, 36060), (601, 33180), (790, 25242), (948, 21035), (1106, 18030), (1185, 16828), (1202, 16590), (1580, 12621), (1659, 12020), (1803, 11060), (2212, 9015), (2370, 8414), (2404, 8295), (2765, 7212), (3005, 6636), (3318, 6010), (3606, 5530), (4207, 4740)]