19490100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9281}}^1$

素因数の和:9305

約数の個数: 72

約数和(自身を含む): 64454208

約数和(自身を除く): 44964108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9281, 18562, 27843, 37124, 46405, 55686, 64967, 92810, 111372, 129934, 139215, 185620, 194901, 232025, 259868, 278430, 324835, 389802, 464050, 556860, 649670, 696075, 779604, 928100, 974505, 1299340, 1392150, 1624175, 1949010, 2784300, 3248350, 3898020, 4872525, 6496700, 9745050, 19490100]

約数ペア:

[(1, 19490100), (2, 9745050), (3, 6496700), (4, 4872525), (5, 3898020), (6, 3248350), (7, 2784300), (10, 1949010), (12, 1624175), (14, 1392150), (15, 1299340), (20, 974505), (21, 928100), (25, 779604), (28, 696075), (30, 649670), (35, 556860), (42, 464050), (50, 389802), (60, 324835), (70, 278430), (75, 259868), (84, 232025), (100, 194901), (105, 185620), (140, 139215), (150, 129934), (175, 111372), (210, 92810), (300, 64967), (350, 55686), (420, 46405), (525, 37124), (700, 27843), (1050, 18562), (2100, 9281)]