19174180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 42666624

約数和(自身を除く): 23492444

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 365, 460, 571, 730, 1142, 1460, 1679, 2284, 2855, 3358, 5710, 6716, 8395, 11420, 13133, 16790, 26266, 33580, 41683, 52532, 65665, 83366, 131330, 166732, 208415, 262660, 416830, 833660, 958709, 1917418, 3834836, 4793545, 9587090, 19174180]

約数ペア:

[(1, 19174180), (2, 9587090), (4, 4793545), (5, 3834836), (10, 1917418), (20, 958709), (23, 833660), (46, 416830), (73, 262660), (92, 208415), (115, 166732), (146, 131330), (230, 83366), (292, 65665), (365, 52532), (460, 41683), (571, 33580), (730, 26266), (1142, 16790), (1460, 13133), (1679, 11420), (2284, 8395), (2855, 6716), (3358, 5710)]