19976476

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1019}}^1$

素因数の和:1078

約数の個数: 36

約数和(自身を含む): 39198600

約数和(自身を除く): 19222124

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 169, 338, 377, 676, 754, 1019, 1508, 2038, 4076, 4901, 9802, 13247, 19604, 26494, 29551, 52988, 59102, 118204, 172211, 344422, 384163, 688844, 768326, 1536652, 4994119, 9988238, 19976476]

約数ペア:

[(1, 19976476), (2, 9988238), (4, 4994119), (13, 1536652), (26, 768326), (29, 688844), (52, 384163), (58, 344422), (116, 172211), (169, 118204), (338, 59102), (377, 52988), (676, 29551), (754, 26494), (1019, 19604), (1508, 13247), (2038, 9802), (4076, 4901)]