18891040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 51819264

約数和(自身を除く): 32928224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 101, 112, 140, 160, 167, 202, 224, 280, 334, 404, 505, 560, 668, 707, 808, 835, 1010, 1120, 1169, 1336, 1414, 1616, 1670, 2020, 2338, 2672, 2828, 3232, 3340, 3535, 4040, 4676, 5344, 5656, 5845, 6680, 7070, 8080, 9352, 11312, 11690, 13360, 14140, 16160, 16867, 18704, 22624, 23380, 26720, 28280, 33734, 37408, 46760, 56560, 67468, 84335, 93520, 113120, 118069, 134936, 168670, 187040, 236138, 269872, 337340, 472276, 539744, 590345, 674680, 944552, 1180690, 1349360, 1889104, 2361380, 2698720, 3778208, 4722760, 9445520, 18891040]

約数ペア:

[(1, 18891040), (2, 9445520), (4, 4722760), (5, 3778208), (7, 2698720), (8, 2361380), (10, 1889104), (14, 1349360), (16, 1180690), (20, 944552), (28, 674680), (32, 590345), (35, 539744), (40, 472276), (56, 337340), (70, 269872), (80, 236138), (101, 187040), (112, 168670), (140, 134936), (160, 118069), (167, 113120), (202, 93520), (224, 84335), (280, 67468), (334, 56560), (404, 46760), (505, 37408), (560, 33734), (668, 28280), (707, 26720), (808, 23380), (835, 22624), (1010, 18704), (1120, 16867), (1169, 16160), (1336, 14140), (1414, 13360), (1616, 11690), (1670, 11312), (2020, 9352), (2338, 8080), (2672, 7070), (2828, 6680), (3232, 5845), (3340, 5656), (3535, 5344), (4040, 4676)]