19965087164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1160491}}^1$

素因数の和:1160546

約数の個数: 48

約数和(自身を含む): 42111933696

約数和(自身を除く): 22146846532

約数列:

[1, 2, 4, 11, 17, 22, 23, 34, 44, 46, 68, 92, 187, 253, 374, 391, 506, 748, 782, 1012, 1564, 4301, 8602, 17204, 1160491, 2320982, 4641964, 12765401, 19728347, 25530802, 26691293, 39456694, 51061604, 53382586, 78913388, 106765172, 217011817, 293604223, 434023634, 453751981, 587208446, 868047268, 907503962, 1174416892, 1815007924, 4991271791, 9982543582, 19965087164]

約数ペア:

[(1, 19965087164), (2, 9982543582), (4, 4991271791), (11, 1815007924), (17, 1174416892), (22, 907503962), (23, 868047268), (34, 587208446), (44, 453751981), (46, 434023634), (68, 293604223), (92, 217011817), (187, 106765172), (253, 78913388), (374, 53382586), (391, 51061604), (506, 39456694), (748, 26691293), (782, 25530802), (1012, 19728347), (1564, 12765401), (4301, 4641964), (8602, 2320982), (17204, 1160491)]