18782428

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{16361}}^1$

素因数の和:16413

約数の個数: 24

約数和(自身を含む): 38483424

約数和(自身を除く): 19700996

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 16361, 32722, 65444, 114527, 229054, 458108, 670801, 1341602, 2683204, 4695607, 9391214, 18782428]

約数ペア:

[(1, 18782428), (2, 9391214), (4, 4695607), (7, 2683204), (14, 1341602), (28, 670801), (41, 458108), (82, 229054), (164, 114527), (287, 65444), (574, 32722), (1148, 16361)]