19758904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7243}}^1$

素因数の和:7291

約数の個数: 32

約数和(自身を含む): 41725440

約数和(自身を除く): 21966536

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7243, 14486, 28972, 57944, 79673, 159346, 224533, 318692, 449066, 637384, 898132, 1796264, 2469863, 4939726, 9879452, 19758904]

約数ペア:

[(1, 19758904), (2, 9879452), (4, 4939726), (8, 2469863), (11, 1796264), (22, 898132), (31, 637384), (44, 449066), (62, 318692), (88, 224533), (124, 159346), (248, 79673), (341, 57944), (682, 28972), (1364, 14486), (2728, 7243)]