19390384

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 60

約数和(自身を含む): 41662512

約数和(自身を除く): 22272128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 101, 104, 142, 169, 202, 208, 284, 338, 404, 568, 676, 808, 923, 1136, 1313, 1352, 1616, 1846, 2626, 2704, 3692, 5252, 7171, 7384, 10504, 11999, 14342, 14768, 17069, 21008, 23998, 28684, 34138, 47996, 57368, 68276, 93223, 95992, 114736, 136552, 186446, 191984, 273104, 372892, 745784, 1211899, 1491568, 2423798, 4847596, 9695192, 19390384]

約数ペア:

[(1, 19390384), (2, 9695192), (4, 4847596), (8, 2423798), (13, 1491568), (16, 1211899), (26, 745784), (52, 372892), (71, 273104), (101, 191984), (104, 186446), (142, 136552), (169, 114736), (202, 95992), (208, 93223), (284, 68276), (338, 57368), (404, 47996), (568, 34138), (676, 28684), (808, 23998), (923, 21008), (1136, 17069), (1313, 14768), (1352, 14342), (1616, 11999), (1846, 10504), (2626, 7384), (2704, 7171), (3692, 5252)]