19004674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 35804160

約数和(自身を除く): 16799486

約数列:

[1, 2, 13, 17, 19, 26, 31, 34, 38, 62, 73, 146, 221, 247, 323, 403, 442, 494, 527, 589, 646, 806, 949, 1054, 1178, 1241, 1387, 1898, 2263, 2482, 2774, 4199, 4526, 6851, 7657, 8398, 10013, 13702, 15314, 16133, 18031, 20026, 23579, 29419, 32266, 36062, 38471, 42997, 47158, 58838, 76942, 85994, 130169, 260338, 306527, 500123, 558961, 613054, 730949, 1000246, 1117922, 1461898, 9502337, 19004674]

約数ペア:

[(1, 19004674), (2, 9502337), (13, 1461898), (17, 1117922), (19, 1000246), (26, 730949), (31, 613054), (34, 558961), (38, 500123), (62, 306527), (73, 260338), (146, 130169), (221, 85994), (247, 76942), (323, 58838), (403, 47158), (442, 42997), (494, 38471), (527, 36062), (589, 32266), (646, 29419), (806, 23579), (949, 20026), (1054, 18031), (1178, 16133), (1241, 15314), (1387, 13702), (1898, 10013), (2263, 8398), (2482, 7657), (2774, 6851), (4199, 4526)]