19711460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 43860096

約数和(自身を除く): 24148636

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 365, 460, 587, 730, 1174, 1460, 1679, 2348, 2935, 3358, 5870, 6716, 8395, 11740, 13501, 16790, 27002, 33580, 42851, 54004, 67505, 85702, 135010, 171404, 214255, 270020, 428510, 857020, 985573, 1971146, 3942292, 4927865, 9855730, 19711460]

約数ペア:

[(1, 19711460), (2, 9855730), (4, 4927865), (5, 3942292), (10, 1971146), (20, 985573), (23, 857020), (46, 428510), (73, 270020), (92, 214255), (115, 171404), (146, 135010), (230, 85702), (292, 67505), (365, 54004), (460, 42851), (587, 33580), (730, 27002), (1174, 16790), (1460, 13501), (1679, 11740), (2348, 8395), (2935, 6716), (3358, 5870)]