19854054

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 47258640

約数和(自身を除く): 27404586

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 197, 198, 394, 509, 591, 1018, 1182, 1527, 1773, 2167, 3054, 3546, 4334, 4581, 5599, 6501, 9162, 11198, 13002, 16797, 19503, 33594, 39006, 50391, 100273, 100782, 200546, 300819, 601638, 902457, 1103003, 1804914, 2206006, 3309009, 6618018, 9927027, 19854054]

約数ペア:

[(1, 19854054), (2, 9927027), (3, 6618018), (6, 3309009), (9, 2206006), (11, 1804914), (18, 1103003), (22, 902457), (33, 601638), (66, 300819), (99, 200546), (197, 100782), (198, 100273), (394, 50391), (509, 39006), (591, 33594), (1018, 19503), (1182, 16797), (1527, 13002), (1773, 11198), (2167, 9162), (3054, 6501), (3546, 5599), (4334, 4581)]