19127329

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 23514624

約数和(自身を除く): 4387295

約数列:

[1, 13, 17, 23, 53, 71, 221, 299, 391, 689, 901, 923, 1207, 1219, 1633, 3763, 5083, 11713, 15691, 15847, 20723, 21229, 27761, 48919, 63971, 86549, 269399, 360893, 831623, 1125137, 1471333, 19127329]

約数ペア:

[(1, 19127329), (13, 1471333), (17, 1125137), (23, 831623), (53, 360893), (71, 269399), (221, 86549), (299, 63971), (391, 48919), (689, 27761), (901, 21229), (923, 20723), (1207, 15847), (1219, 15691), (1633, 11713), (3763, 5083)]