19813404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1187}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 50295168

約数和(自身を除く): 30481764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1187, 1284, 1391, 2374, 2782, 3561, 4173, 4748, 5564, 7122, 8346, 14244, 15431, 16692, 30862, 46293, 61724, 92586, 127009, 185172, 254018, 381027, 508036, 762054, 1524108, 1651117, 3302234, 4953351, 6604468, 9906702, 19813404]

約数ペア:

[(1, 19813404), (2, 9906702), (3, 6604468), (4, 4953351), (6, 3302234), (12, 1651117), (13, 1524108), (26, 762054), (39, 508036), (52, 381027), (78, 254018), (107, 185172), (156, 127009), (214, 92586), (321, 61724), (428, 46293), (642, 30862), (1187, 16692), (1284, 15431), (1391, 14244), (2374, 8346), (2782, 7122), (3561, 5564), (4173, 4748)]