19286260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{397}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 46537344

約数和(自身を除く): 27251084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 397, 694, 794, 1388, 1588, 1735, 1985, 2429, 2779, 3470, 3970, 4858, 5558, 6940, 7940, 9716, 11116, 12145, 13895, 24290, 27790, 48580, 55580, 137759, 275518, 551036, 688795, 964313, 1377590, 1928626, 2755180, 3857252, 4821565, 9643130, 19286260]

約数ペア:

[(1, 19286260), (2, 9643130), (4, 4821565), (5, 3857252), (7, 2755180), (10, 1928626), (14, 1377590), (20, 964313), (28, 688795), (35, 551036), (70, 275518), (140, 137759), (347, 55580), (397, 48580), (694, 27790), (794, 24290), (1388, 13895), (1588, 12145), (1735, 11116), (1985, 9716), (2429, 7940), (2779, 6940), (3470, 5558), (3970, 4858)]