18689944

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25673}}^1$

素因数の和:25699

約数の個数: 32

約数和(自身を含む): 43132320

約数和(自身を除く): 24442376

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 25673, 51346, 102692, 179711, 205384, 333749, 359422, 667498, 718844, 1334996, 1437688, 2336243, 2669992, 4672486, 9344972, 18689944]

約数ペア:

[(1, 18689944), (2, 9344972), (4, 4672486), (7, 2669992), (8, 2336243), (13, 1437688), (14, 1334996), (26, 718844), (28, 667498), (52, 359422), (56, 333749), (91, 205384), (104, 179711), (182, 102692), (364, 51346), (728, 25673)]