18627420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44351}}^1$

素因数の和:44370

約数の個数: 48

約数和(自身を含む): 59609088

約数和(自身を除く): 40981668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 44351, 88702, 133053, 177404, 221755, 266106, 310457, 443510, 532212, 620914, 665265, 887020, 931371, 1241828, 1330530, 1552285, 1862742, 2661060, 3104570, 3725484, 4656855, 6209140, 9313710, 18627420]

約数ペア:

[(1, 18627420), (2, 9313710), (3, 6209140), (4, 4656855), (5, 3725484), (6, 3104570), (7, 2661060), (10, 1862742), (12, 1552285), (14, 1330530), (15, 1241828), (20, 931371), (21, 887020), (28, 665265), (30, 620914), (35, 532212), (42, 443510), (60, 310457), (70, 266106), (84, 221755), (105, 177404), (140, 133053), (210, 88702), (420, 44351)]