19116772

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:780

約数の個数: 36

約数和(自身を含む): 37134720

約数和(自身を除く): 18017948

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 289, 391, 578, 719, 782, 1156, 1438, 1564, 2876, 6647, 12223, 13294, 16537, 24446, 26588, 33074, 48892, 66148, 207791, 281129, 415582, 562258, 831164, 1124516, 4779193, 9558386, 19116772]

約数ペア:

[(1, 19116772), (2, 9558386), (4, 4779193), (17, 1124516), (23, 831164), (34, 562258), (46, 415582), (68, 281129), (92, 207791), (289, 66148), (391, 48892), (578, 33074), (719, 26588), (782, 24446), (1156, 16537), (1438, 13294), (1564, 12223), (2876, 6647)]