19868100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9461}}^1$

素因数の和:9485

約数の個数: 72

約数和(自身を含む): 65704128

約数和(自身を除く): 45836028

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, 9461, 18922, 28383, 37844, 47305, 56766, 66227, 94610, 113532, 132454, 141915, 189220, 198681, 236525, 264908, 283830, 331135, 397362, 473050, 567660, 662270, 709575, 794724, 946100, 993405, 1324540, 1419150, 1655675, 1986810, 2838300, 3311350, 3973620, 4967025, 6622700, 9934050, 19868100]

約数ペア:

[(1, 19868100), (2, 9934050), (3, 6622700), (4, 4967025), (5, 3973620), (6, 3311350), (7, 2838300), (10, 1986810), (12, 1655675), (14, 1419150), (15, 1324540), (20, 993405), (21, 946100), (25, 794724), (28, 709575), (30, 662270), (35, 567660), (42, 473050), (50, 397362), (60, 331135), (70, 283830), (75, 264908), (84, 236525), (100, 198681), (105, 189220), (140, 141915), (150, 132454), (175, 113532), (210, 94610), (300, 66227), (350, 56766), (420, 47305), (525, 37844), (700, 28383), (1050, 18922), (2100, 9461)]