2018657690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{54721}}^1$

素因数の和:54783

約数の個数: 64

約数和(自身を含む): 4538861568

約数和(自身を除く): 2520203878

約数列:

[1, 2, 5, 7, 10, 14, 17, 31, 34, 35, 62, 70, 85, 119, 155, 170, 217, 238, 310, 434, 527, 595, 1054, 1085, 1190, 2170, 2635, 3689, 5270, 7378, 18445, 36890, 54721, 109442, 273605, 383047, 547210, 766094, 930257, 1696351, 1860514, 1915235, 3392702, 3830470, 4651285, 6511799, 8481755, 9302570, 11874457, 13023598, 16963510, 23748914, 28837967, 32558995, 57675934, 59372285, 65117990, 118744570, 144189835, 201865769, 288379670, 403731538, 1009328845, 2018657690]

約数ペア:

[(1, 2018657690), (2, 1009328845), (5, 403731538), (7, 288379670), (10, 201865769), (14, 144189835), (17, 118744570), (31, 65117990), (34, 59372285), (35, 57675934), (62, 32558995), (70, 28837967), (85, 23748914), (119, 16963510), (155, 13023598), (170, 11874457), (217, 9302570), (238, 8481755), (310, 6511799), (434, 4651285), (527, 3830470), (595, 3392702), (1054, 1915235), (1085, 1860514), (1190, 1696351), (2170, 930257), (2635, 766094), (3689, 547210), (5270, 383047), (7378, 273605), (18445, 109442), (36890, 54721)]