19870116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{236549}}^1$

素因数の和:236563

約数の個数: 24

約数和(自身を含む): 52987200

約数和(自身を除く): 33117084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 236549, 473098, 709647, 946196, 1419294, 1655843, 2838588, 3311686, 4967529, 6623372, 9935058, 19870116]

約数ペア:

[(1, 19870116), (2, 9935058), (3, 6623372), (4, 4967529), (6, 3311686), (7, 2838588), (12, 1655843), (14, 1419294), (21, 946196), (28, 709647), (42, 473098), (84, 236549)]