15966764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 32659200

約数和(自身を除く): 16692436

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 71, 76, 142, 209, 269, 284, 418, 538, 781, 836, 1076, 1349, 1562, 2698, 2959, 3124, 5111, 5396, 5918, 10222, 11836, 14839, 19099, 20444, 29678, 38198, 56221, 59356, 76396, 112442, 210089, 224884, 362881, 420178, 725762, 840356, 1451524, 3991691, 7983382, 15966764]

約数ペア:

[(1, 15966764), (2, 7983382), (4, 3991691), (11, 1451524), (19, 840356), (22, 725762), (38, 420178), (44, 362881), (71, 224884), (76, 210089), (142, 112442), (209, 76396), (269, 59356), (284, 56221), (418, 38198), (538, 29678), (781, 20444), (836, 19099), (1076, 14839), (1349, 11836), (1562, 10222), (2698, 5918), (2959, 5396), (3124, 5111)]