19087980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4027}}^1$

素因数の和:4118

約数の個数: 48

約数和(自身を含む): 54136320

約数和(自身を除く): 35048340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4027, 4740, 8054, 12081, 16108, 20135, 24162, 40270, 48324, 60405, 80540, 120810, 241620, 318133, 636266, 954399, 1272532, 1590665, 1908798, 3181330, 3817596, 4771995, 6362660, 9543990, 19087980]

約数ペア:

[(1, 19087980), (2, 9543990), (3, 6362660), (4, 4771995), (5, 3817596), (6, 3181330), (10, 1908798), (12, 1590665), (15, 1272532), (20, 954399), (30, 636266), (60, 318133), (79, 241620), (158, 120810), (237, 80540), (316, 60405), (395, 48324), (474, 40270), (790, 24162), (948, 20135), (1185, 16108), (1580, 12081), (2370, 8054), (4027, 4740)]