2019961839

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{5279}}^1$

素因数の和:5452

約数の個数: 48

約数和(自身を含む): 3322598400

約数和(自身を除く): 1302636561

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 137, 147, 399, 411, 931, 959, 2603, 2793, 2877, 5279, 6713, 7809, 15837, 18221, 20139, 36953, 54663, 100301, 110859, 127547, 258671, 300903, 382641, 702107, 723223, 776013, 2106321, 2169669, 4914749, 5062561, 13741237, 14744247, 15187683, 35437927, 41223711, 96188659, 106313781, 288565977, 673320613, 2019961839]

約数ペア:

[(1, 2019961839), (3, 673320613), (7, 288565977), (19, 106313781), (21, 96188659), (49, 41223711), (57, 35437927), (133, 15187683), (137, 14744247), (147, 13741237), (399, 5062561), (411, 4914749), (931, 2169669), (959, 2106321), (2603, 776013), (2793, 723223), (2877, 702107), (5279, 382641), (6713, 300903), (7809, 258671), (15837, 127547), (18221, 110859), (20139, 100301), (36953, 54663)]