19315240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{683}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 50232960

約数和(自身を除く): 30917720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 683, 707, 808, 1010, 1366, 1414, 2020, 2732, 2828, 3415, 3535, 4040, 4781, 5464, 5656, 6830, 7070, 9562, 13660, 14140, 19124, 23905, 27320, 28280, 38248, 47810, 68983, 95620, 137966, 191240, 275932, 344915, 482881, 551864, 689830, 965762, 1379660, 1931524, 2414405, 2759320, 3863048, 4828810, 9657620, 19315240]

約数ペア:

[(1, 19315240), (2, 9657620), (4, 4828810), (5, 3863048), (7, 2759320), (8, 2414405), (10, 1931524), (14, 1379660), (20, 965762), (28, 689830), (35, 551864), (40, 482881), (56, 344915), (70, 275932), (101, 191240), (140, 137966), (202, 95620), (280, 68983), (404, 47810), (505, 38248), (683, 28280), (707, 27320), (808, 23905), (1010, 19124), (1366, 14140), (1414, 13660), (2020, 9562), (2732, 7070), (2828, 6830), (3415, 5656), (3535, 5464), (4040, 4781)]