19892223

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{2099}}^1$

素因数の和:2130

約数の個数: 28

約数和(自身を含む): 32134200

約数和(自身を除く): 12241977

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2099, 3159, 6297, 9477, 18891, 27287, 56673, 81861, 170019, 245583, 510057, 736749, 1530171, 2210247, 6630741, 19892223]

約数ペア:

[(1, 19892223), (3, 6630741), (9, 2210247), (13, 1530171), (27, 736749), (39, 510057), (81, 245583), (117, 170019), (243, 81861), (351, 56673), (729, 27287), (1053, 18891), (2099, 9477), (3159, 6297)]