19972773

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4211}}^1$

素因数の和:4265

約数の個数: 24

約数和(自身を含む): 31539456

約数和(自身を除く): 11566683

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4211, 4743, 12633, 37899, 71587, 130541, 214761, 391623, 644283, 1174869, 2219197, 6657591, 19972773]

約数ペア:

[(1, 19972773), (3, 6657591), (9, 2219197), (17, 1174869), (31, 644283), (51, 391623), (93, 214761), (153, 130541), (279, 71587), (527, 37899), (1581, 12633), (4211, 4743)]