19982446

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 36551088

約数和(自身を除く): 16568642

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 101, 187, 202, 253, 374, 391, 506, 529, 782, 1058, 1111, 1717, 2222, 2323, 3434, 4301, 4646, 5819, 8602, 8993, 11638, 17986, 18887, 25553, 37774, 39491, 51106, 53429, 78982, 98923, 106858, 197846, 434401, 587719, 868802, 908293, 1175438, 1816586, 9991223, 19982446]

約数ペア:

[(1, 19982446), (2, 9991223), (11, 1816586), (17, 1175438), (22, 908293), (23, 868802), (34, 587719), (46, 434401), (101, 197846), (187, 106858), (202, 98923), (253, 78982), (374, 53429), (391, 51106), (506, 39491), (529, 37774), (782, 25553), (1058, 18887), (1111, 17986), (1717, 11638), (2222, 8993), (2323, 8602), (3434, 5819), (4301, 4646)]