19542896

素因数分解:

$2^4\times {\mathrm{31}}^3\times {\mathrm{41}}^1$

素因数の和:142

約数の個数: 40

約数和(自身を含む): 40080768

約数和(自身を除く): 20537872

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 961, 1271, 1922, 2542, 3844, 5084, 7688, 10168, 15376, 20336, 29791, 39401, 59582, 78802, 119164, 157604, 238328, 315208, 476656, 630416, 1221431, 2442862, 4885724, 9771448, 19542896]

約数ペア:

[(1, 19542896), (2, 9771448), (4, 4885724), (8, 2442862), (16, 1221431), (31, 630416), (41, 476656), (62, 315208), (82, 238328), (124, 157604), (164, 119164), (248, 78802), (328, 59582), (496, 39401), (656, 29791), (961, 20336), (1271, 15376), (1922, 10168), (2542, 7688), (3844, 5084)]