18739788

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^2\times {\mathrm{929}}^1$

素因数の和:1018

約数の個数: 36

約数和(自身を含む): 44866920

約数和(自身を除く): 26127132

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 929, 1681, 1858, 2787, 3362, 3716, 5043, 5574, 6724, 10086, 11148, 20172, 38089, 76178, 114267, 152356, 228534, 457068, 1561649, 3123298, 4684947, 6246596, 9369894, 18739788]

約数ペア:

[(1, 18739788), (2, 9369894), (3, 6246596), (4, 4684947), (6, 3123298), (12, 1561649), (41, 457068), (82, 228534), (123, 152356), (164, 114267), (246, 76178), (492, 38089), (929, 20172), (1681, 11148), (1858, 10086), (2787, 6724), (3362, 5574), (3716, 5043)]