19397404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 39866400

約数和(自身を除く): 20468996

約数列:

[1, 2, 4, 13, 19, 26, 29, 38, 52, 58, 76, 116, 247, 377, 494, 551, 677, 754, 988, 1102, 1354, 1508, 2204, 2708, 7163, 8801, 12863, 14326, 17602, 19633, 25726, 28652, 35204, 39266, 51452, 78532, 167219, 255229, 334438, 373027, 510458, 668876, 746054, 1020916, 1492108, 4849351, 9698702, 19397404]

約数ペア:

[(1, 19397404), (2, 9698702), (4, 4849351), (13, 1492108), (19, 1020916), (26, 746054), (29, 668876), (38, 510458), (52, 373027), (58, 334438), (76, 255229), (116, 167219), (247, 78532), (377, 51452), (494, 39266), (551, 35204), (677, 28652), (754, 25726), (988, 19633), (1102, 17602), (1354, 14326), (1508, 12863), (2204, 8801), (2708, 7163)]