17964520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{773}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 46811520

約数和(自身を除く): 28847000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 773, 830, 1162, 1546, 1660, 2324, 2905, 3092, 3320, 3865, 4648, 5411, 5810, 6184, 7730, 10822, 11620, 15460, 21644, 23240, 27055, 30920, 43288, 54110, 64159, 108220, 128318, 216440, 256636, 320795, 449113, 513272, 641590, 898226, 1283180, 1796452, 2245565, 2566360, 3592904, 4491130, 8982260, 17964520]

約数ペア:

[(1, 17964520), (2, 8982260), (4, 4491130), (5, 3592904), (7, 2566360), (8, 2245565), (10, 1796452), (14, 1283180), (20, 898226), (28, 641590), (35, 513272), (40, 449113), (56, 320795), (70, 256636), (83, 216440), (140, 128318), (166, 108220), (280, 64159), (332, 54110), (415, 43288), (581, 30920), (664, 27055), (773, 23240), (830, 21644), (1162, 15460), (1546, 11620), (1660, 10822), (2324, 7730), (2905, 6184), (3092, 5810), (3320, 5411), (3865, 4648)]