18729708

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 26993172

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 107, 116, 174, 214, 321, 348, 428, 503, 642, 1006, 1284, 1509, 2012, 3018, 3103, 6036, 6206, 9309, 12412, 14587, 18618, 29174, 37236, 43761, 53821, 58348, 87522, 107642, 161463, 175044, 215284, 322926, 645852, 1560809, 3121618, 4682427, 6243236, 9364854, 18729708]

約数ペア:

[(1, 18729708), (2, 9364854), (3, 6243236), (4, 4682427), (6, 3121618), (12, 1560809), (29, 645852), (58, 322926), (87, 215284), (107, 175044), (116, 161463), (174, 107642), (214, 87522), (321, 58348), (348, 53821), (428, 43761), (503, 37236), (642, 29174), (1006, 18618), (1284, 14587), (1509, 12412), (2012, 9309), (3018, 6206), (3103, 6036)]