17963729987

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{15877}}^1$

素因数の和:16131

約数の個数: 32

約数和(自身を含む): 22193633280

約数和(自身を除く): 4229903293

約数列:

[1, 7, 19, 47, 133, 181, 329, 893, 1267, 3439, 6251, 8507, 15877, 24073, 59549, 111139, 161633, 301663, 746219, 1131431, 2111641, 2873737, 5223533, 14178161, 20116159, 54601003, 99247127, 135065639, 382207021, 945459473, 2566247141, 17963729987]

約数ペア:

[(1, 17963729987), (7, 2566247141), (19, 945459473), (47, 382207021), (133, 135065639), (181, 99247127), (329, 54601003), (893, 20116159), (1267, 14178161), (3439, 5223533), (6251, 2873737), (8507, 2111641), (15877, 1131431), (24073, 746219), (59549, 301663), (111139, 161633)]