19427564

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1050

約数の個数: 36

約数和(自身を含む): 38122560

約数和(自身を除く): 18694996

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 169, 338, 377, 676, 754, 991, 1508, 1982, 3964, 4901, 9802, 12883, 19604, 25766, 28739, 51532, 57478, 114956, 167479, 334958, 373607, 669916, 747214, 1494428, 4856891, 9713782, 19427564]

約数ペア:

[(1, 19427564), (2, 9713782), (4, 4856891), (13, 1494428), (26, 747214), (29, 669916), (52, 373607), (58, 334958), (116, 167479), (169, 114956), (338, 57478), (377, 51532), (676, 28739), (754, 25766), (991, 19604), (1508, 12883), (1982, 9802), (3964, 4901)]