19387888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5483}}^1$

素因数の和:5521

約数の個数: 40

約数和(自身を含む): 42841008

約数和(自身を除く): 23453120

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5483, 10966, 21932, 43864, 71279, 87728, 93211, 142558, 186422, 285116, 372844, 570232, 745688, 1140464, 1211743, 1491376, 2423486, 4846972, 9693944, 19387888]

約数ペア:

[(1, 19387888), (2, 9693944), (4, 4846972), (8, 2423486), (13, 1491376), (16, 1211743), (17, 1140464), (26, 745688), (34, 570232), (52, 372844), (68, 285116), (104, 186422), (136, 142558), (208, 93211), (221, 87728), (272, 71279), (442, 43864), (884, 21932), (1768, 10966), (3536, 5483)]