18456970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 21459830

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 59, 70, 82, 109, 118, 205, 218, 287, 295, 410, 413, 545, 574, 590, 763, 826, 1090, 1435, 1526, 2065, 2419, 2870, 3815, 4130, 4469, 4838, 6431, 7630, 8938, 12095, 12862, 16933, 22345, 24190, 31283, 32155, 33866, 44690, 45017, 62566, 64310, 84665, 90034, 156415, 169330, 225085, 263671, 312830, 450170, 527342, 1318355, 1845697, 2636710, 3691394, 9228485, 18456970]

約数ペア:

[(1, 18456970), (2, 9228485), (5, 3691394), (7, 2636710), (10, 1845697), (14, 1318355), (35, 527342), (41, 450170), (59, 312830), (70, 263671), (82, 225085), (109, 169330), (118, 156415), (205, 90034), (218, 84665), (287, 64310), (295, 62566), (410, 45017), (413, 44690), (545, 33866), (574, 32155), (590, 31283), (763, 24190), (826, 22345), (1090, 16933), (1435, 12862), (1526, 12095), (2065, 8938), (2419, 7630), (2870, 6431), (3815, 4838), (4130, 4469)]