19513458

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 43852536

約数和(自身を除く): 24339078

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 137, 193, 246, 274, 369, 386, 411, 579, 738, 822, 1158, 1233, 1737, 2466, 3474, 5617, 7913, 11234, 15826, 16851, 23739, 26441, 33702, 47478, 50553, 52882, 71217, 79323, 101106, 142434, 158646, 237969, 475938, 1084081, 2168162, 3252243, 6504486, 9756729, 19513458]

約数ペア:

[(1, 19513458), (2, 9756729), (3, 6504486), (6, 3252243), (9, 2168162), (18, 1084081), (41, 475938), (82, 237969), (123, 158646), (137, 142434), (193, 101106), (246, 79323), (274, 71217), (369, 52882), (386, 50553), (411, 47478), (579, 33702), (738, 26441), (822, 23739), (1158, 16851), (1233, 15826), (1737, 11234), (2466, 7913), (3474, 5617)]