18290012440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9331639}}^1$

素因数の和:9331664

約数の個数: 48

約数和(自身を含む): 47871313200

約数和(自身を除く): 29581300760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9331639, 18663278, 37326556, 46658195, 65321473, 74653112, 93316390, 130642946, 186632780, 261285892, 326607365, 373265560, 457250311, 522571784, 653214730, 914500622, 1306429460, 1829001244, 2286251555, 2612858920, 3658002488, 4572503110, 9145006220, 18290012440]

約数ペア:

[(1, 18290012440), (2, 9145006220), (4, 4572503110), (5, 3658002488), (7, 2612858920), (8, 2286251555), (10, 1829001244), (14, 1306429460), (20, 914500622), (28, 653214730), (35, 522571784), (40, 457250311), (49, 373265560), (56, 326607365), (70, 261285892), (98, 186632780), (140, 130642946), (196, 93316390), (245, 74653112), (280, 65321473), (392, 46658195), (490, 37326556), (980, 18663278), (1960, 9331639)]