19345172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 23329516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 154, 214, 308, 428, 587, 749, 1174, 1177, 1498, 2348, 2354, 2996, 4109, 4708, 6457, 8218, 8239, 12914, 16436, 16478, 25828, 32956, 45199, 62809, 90398, 125618, 180796, 251236, 439663, 690899, 879326, 1381798, 1758652, 2763596, 4836293, 9672586, 19345172]

約数ペア:

[(1, 19345172), (2, 9672586), (4, 4836293), (7, 2763596), (11, 1758652), (14, 1381798), (22, 879326), (28, 690899), (44, 439663), (77, 251236), (107, 180796), (154, 125618), (214, 90398), (308, 62809), (428, 45199), (587, 32956), (749, 25828), (1174, 16478), (1177, 16436), (1498, 12914), (2348, 8239), (2354, 8218), (2996, 6457), (4109, 4708)]