19281843

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1901}}^1$

素因数の和:1944

約数の個数: 36

約数和(自身を含む): 33825168

約数和(自身を除く): 14543325

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 1901, 3381, 5703, 10143, 13307, 17109, 39921, 43723, 93149, 119763, 131169, 279447, 306061, 393507, 838341, 918183, 2142427, 2754549, 6427281, 19281843]

約数ペア:

[(1, 19281843), (3, 6427281), (7, 2754549), (9, 2142427), (21, 918183), (23, 838341), (49, 393507), (63, 306061), (69, 279447), (147, 131169), (161, 119763), (207, 93149), (441, 43723), (483, 39921), (1127, 17109), (1449, 13307), (1901, 10143), (3381, 5703)]