18888438

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{409}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 38966400

約数和(自身を除く): 20077962

約数列:

[1, 2, 3, 6, 43, 86, 129, 179, 258, 358, 409, 537, 818, 1074, 1227, 2454, 7697, 15394, 17587, 23091, 35174, 46182, 52761, 73211, 105522, 146422, 219633, 439266, 3148073, 6296146, 9444219, 18888438]

約数ペア:

[(1, 18888438), (2, 9444219), (3, 6296146), (6, 3148073), (43, 439266), (86, 219633), (129, 146422), (179, 105522), (258, 73211), (358, 52761), (409, 46182), (537, 35174), (818, 23091), (1074, 17587), (1227, 15394), (2454, 7697)]