19603521

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 34384896

約数和(自身を除く): 14781375

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 83, 161, 163, 207, 249, 483, 489, 581, 747, 1141, 1449, 1467, 1743, 1909, 3423, 3749, 5229, 5727, 10269, 11247, 13363, 13529, 17181, 26243, 33741, 40089, 40587, 78729, 94703, 120267, 121761, 236187, 284109, 311167, 852327, 933501, 2178169, 2800503, 6534507, 19603521]

約数ペア:

[(1, 19603521), (3, 6534507), (7, 2800503), (9, 2178169), (21, 933501), (23, 852327), (63, 311167), (69, 284109), (83, 236187), (161, 121761), (163, 120267), (207, 94703), (249, 78729), (483, 40587), (489, 40089), (581, 33741), (747, 26243), (1141, 17181), (1449, 13529), (1467, 13363), (1743, 11247), (1909, 10269), (3423, 5727), (3749, 5229)]