19985346

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{6983}}^1$

素因数の和:7047

約数の個数: 32

約数和(自身を含む): 45256320

約数和(自身を除く): 25270974

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 6983, 13966, 20949, 41898, 62847, 125694, 188541, 370099, 377082, 740198, 1110297, 2220594, 3330891, 6661782, 9992673, 19985346]

約数ペア:

[(1, 19985346), (2, 9992673), (3, 6661782), (6, 3330891), (9, 2220594), (18, 1110297), (27, 740198), (53, 377082), (54, 370099), (106, 188541), (159, 125694), (318, 62847), (477, 41898), (954, 20949), (1431, 13966), (2862, 6983)]