19181253

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4133}}^1$

素因数の和:4173

約数の個数: 32

約数和(自身を含む): 33336576

約数和(自身を除く): 14155323

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4133, 4641, 12399, 28931, 53729, 70261, 86793, 161187, 210783, 376103, 491827, 913393, 1128309, 1475481, 2740179, 6393751, 19181253]

約数ペア:

[(1, 19181253), (3, 6393751), (7, 2740179), (13, 1475481), (17, 1128309), (21, 913393), (39, 491827), (51, 376103), (91, 210783), (119, 161187), (221, 86793), (273, 70261), (357, 53729), (663, 28931), (1547, 12399), (4133, 4641)]