19647550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 39809952

約数和(自身を除く): 20162402

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 167, 181, 325, 334, 362, 650, 835, 905, 1670, 1810, 2171, 2353, 4175, 4342, 4525, 4706, 8350, 9050, 10855, 11765, 21710, 23530, 30227, 54275, 58825, 60454, 108550, 117650, 151135, 302270, 392951, 755675, 785902, 1511350, 1964755, 3929510, 9823775, 19647550]

約数ペア:

[(1, 19647550), (2, 9823775), (5, 3929510), (10, 1964755), (13, 1511350), (25, 785902), (26, 755675), (50, 392951), (65, 302270), (130, 151135), (167, 117650), (181, 108550), (325, 60454), (334, 58825), (362, 54275), (650, 30227), (835, 23530), (905, 21710), (1670, 11765), (1810, 10855), (2171, 9050), (2353, 8350), (4175, 4706), (4342, 4525)]