19251128

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 40516200

約数和(自身を除く): 21265072

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 169, 232, 338, 377, 491, 676, 754, 982, 1352, 1508, 1964, 3016, 3928, 4901, 6383, 9802, 12766, 14239, 19604, 25532, 28478, 39208, 51064, 56956, 82979, 113912, 165958, 185107, 331916, 370214, 663832, 740428, 1480856, 2406391, 4812782, 9625564, 19251128]

約数ペア:

[(1, 19251128), (2, 9625564), (4, 4812782), (8, 2406391), (13, 1480856), (26, 740428), (29, 663832), (52, 370214), (58, 331916), (104, 185107), (116, 165958), (169, 113912), (232, 82979), (338, 56956), (377, 51064), (491, 39208), (676, 28478), (754, 25532), (982, 19604), (1352, 14239), (1508, 12766), (1964, 9802), (3016, 6383), (3928, 4901)]