19835560

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6793}}^1$

素因数の和:6877

約数の個数: 32

約数和(自身を含む): 45248040

約数和(自身を除く): 25412480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6793, 13586, 27172, 33965, 54344, 67930, 135860, 271720, 495889, 991778, 1983556, 2479445, 3967112, 4958890, 9917780, 19835560]

約数ペア:

[(1, 19835560), (2, 9917780), (4, 4958890), (5, 3967112), (8, 2479445), (10, 1983556), (20, 991778), (40, 495889), (73, 271720), (146, 135860), (292, 67930), (365, 54344), (584, 33965), (730, 27172), (1460, 13586), (2920, 6793)]