19998120945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1\times {\mathrm{6733}}^1$

素因数の和:7182

約数の個数: 64

約数和(自身を含む): 35746873344

約数和(自身を除く): 15748752399

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 383, 517, 705, 1149, 1551, 1915, 2585, 4213, 5745, 6733, 7755, 12639, 18001, 20199, 21065, 33665, 54003, 63195, 74063, 90005, 100995, 198011, 222189, 270015, 316451, 370315, 594033, 949353, 990055, 1110945, 1582255, 2578739, 2970165, 3480961, 4746765, 7736217, 10442883, 12893695, 17404805, 28366129, 38681085, 52214415, 85098387, 121200733, 141830645, 363602199, 425491935, 606003665, 1333208063, 1818010995, 3999624189, 6666040315, 19998120945]

約数ペア:

[(1, 19998120945), (3, 6666040315), (5, 3999624189), (11, 1818010995), (15, 1333208063), (33, 606003665), (47, 425491935), (55, 363602199), (141, 141830645), (165, 121200733), (235, 85098387), (383, 52214415), (517, 38681085), (705, 28366129), (1149, 17404805), (1551, 12893695), (1915, 10442883), (2585, 7736217), (4213, 4746765), (5745, 3480961), (6733, 2970165), (7755, 2578739), (12639, 1582255), (18001, 1110945), (20199, 990055), (21065, 949353), (33665, 594033), (54003, 370315), (63195, 316451), (74063, 270015), (90005, 222189), (100995, 198011)]