19561108

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 41771520

約数和(自身を除く): 22210412

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 266, 332, 443, 532, 581, 886, 1162, 1577, 1772, 2324, 3101, 3154, 6202, 6308, 8417, 11039, 12404, 16834, 22078, 33668, 36769, 44156, 58919, 73538, 117838, 147076, 235676, 257383, 514766, 698611, 1029532, 1397222, 2794444, 4890277, 9780554, 19561108]

約数ペア:

[(1, 19561108), (2, 9780554), (4, 4890277), (7, 2794444), (14, 1397222), (19, 1029532), (28, 698611), (38, 514766), (76, 257383), (83, 235676), (133, 147076), (166, 117838), (266, 73538), (332, 58919), (443, 44156), (532, 36769), (581, 33668), (886, 22078), (1162, 16834), (1577, 12404), (1772, 11039), (2324, 8417), (3101, 6308), (3154, 6202)]