19967050

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 39184992

約数和(自身を除く): 19217942

約数列:

[1, 2, 5, 10, 25, 37, 43, 50, 74, 86, 185, 215, 251, 370, 430, 502, 925, 1075, 1255, 1591, 1850, 2150, 2510, 3182, 6275, 7955, 9287, 10793, 12550, 15910, 18574, 21586, 39775, 46435, 53965, 79550, 92870, 107930, 232175, 269825, 399341, 464350, 539650, 798682, 1996705, 3993410, 9983525, 19967050]

約数ペア:

[(1, 19967050), (2, 9983525), (5, 3993410), (10, 1996705), (25, 798682), (37, 539650), (43, 464350), (50, 399341), (74, 269825), (86, 232175), (185, 107930), (215, 92870), (251, 79550), (370, 53965), (430, 46435), (502, 39775), (925, 21586), (1075, 18574), (1255, 15910), (1591, 12550), (1850, 10793), (2150, 9287), (2510, 7955), (3182, 6275)]