18554276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 18983644

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 139, 151, 221, 278, 302, 442, 556, 604, 884, 1807, 1963, 2363, 2567, 3614, 3926, 4726, 5134, 7228, 7852, 9452, 10268, 20989, 30719, 33371, 41978, 61438, 66742, 83956, 122876, 133484, 272857, 356813, 545714, 713626, 1091428, 1427252, 4638569, 9277138, 18554276]

約数ペア:

[(1, 18554276), (2, 9277138), (4, 4638569), (13, 1427252), (17, 1091428), (26, 713626), (34, 545714), (52, 356813), (68, 272857), (139, 133484), (151, 122876), (221, 83956), (278, 66742), (302, 61438), (442, 41978), (556, 33371), (604, 30719), (884, 20989), (1807, 10268), (1963, 9452), (2363, 7852), (2567, 7228), (3614, 5134), (3926, 4726)]