1855142786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{859}}^1$

素因数の和:1263

約数の個数: 64

約数和(自身を含む): 3507148800

約数和(自身を除く): 1652006014

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 353, 437, 706, 859, 874, 1718, 2471, 3059, 4942, 6013, 6118, 6707, 8119, 12026, 13414, 16238, 16321, 19757, 32642, 39514, 46949, 56833, 93898, 113666, 114247, 138299, 154261, 228494, 276598, 303227, 308522, 375383, 606454, 750766, 1079827, 2122589, 2159654, 2627681, 4245178, 5255362, 5761313, 6974221, 11522626, 13948442, 40329191, 48819547, 80658382, 97639094, 132510199, 265020398, 927571393, 1855142786]

約数ペア:

[(1, 1855142786), (2, 927571393), (7, 265020398), (14, 132510199), (19, 97639094), (23, 80658382), (38, 48819547), (46, 40329191), (133, 13948442), (161, 11522626), (266, 6974221), (322, 5761313), (353, 5255362), (437, 4245178), (706, 2627681), (859, 2159654), (874, 2122589), (1718, 1079827), (2471, 750766), (3059, 606454), (4942, 375383), (6013, 308522), (6118, 303227), (6707, 276598), (8119, 228494), (12026, 154261), (13414, 138299), (16238, 114247), (16321, 113666), (19757, 93898), (32642, 56833), (39514, 46949)]