19916234

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 33339600

約数和(自身を除く): 13423366

約数列:

[1, 2, 13, 26, 53, 97, 106, 149, 194, 298, 689, 1261, 1378, 1937, 2522, 3874, 5141, 7897, 10282, 14453, 15794, 28906, 66833, 102661, 133666, 187889, 205322, 375778, 766009, 1532018, 9958117, 19916234]

約数ペア:

[(1, 19916234), (2, 9958117), (13, 1532018), (26, 766009), (53, 375778), (97, 205322), (106, 187889), (149, 133666), (194, 102661), (298, 66833), (689, 28906), (1261, 15794), (1378, 14453), (1937, 10282), (2522, 7897), (3874, 5141)]