19689748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 39344256

約数和(自身を除く): 19654508

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 101, 163, 202, 299, 326, 404, 598, 652, 1196, 1313, 2119, 2323, 2626, 3749, 4238, 4646, 5252, 7498, 8476, 9292, 14996, 16463, 30199, 32926, 48737, 60398, 65852, 97474, 120796, 194948, 214019, 378649, 428038, 757298, 856076, 1514596, 4922437, 9844874, 19689748]

約数ペア:

[(1, 19689748), (2, 9844874), (4, 4922437), (13, 1514596), (23, 856076), (26, 757298), (46, 428038), (52, 378649), (92, 214019), (101, 194948), (163, 120796), (202, 97474), (299, 65852), (326, 60398), (404, 48737), (598, 32926), (652, 30199), (1196, 16463), (1313, 14996), (2119, 9292), (2323, 8476), (2626, 7498), (3749, 5252), (4238, 4646)]