18577182

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 42364224

約数和(自身を除く): 23787042

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 41, 74, 78, 82, 111, 123, 157, 222, 246, 314, 471, 481, 533, 942, 962, 1066, 1443, 1517, 1599, 2041, 2886, 3034, 3198, 4082, 4551, 5809, 6123, 6437, 9102, 11618, 12246, 12874, 17427, 19311, 19721, 34854, 38622, 39442, 59163, 75517, 83681, 118326, 151034, 167362, 226551, 238169, 251043, 453102, 476338, 502086, 714507, 1429014, 3096197, 6192394, 9288591, 18577182]

約数ペア:

[(1, 18577182), (2, 9288591), (3, 6192394), (6, 3096197), (13, 1429014), (26, 714507), (37, 502086), (39, 476338), (41, 453102), (74, 251043), (78, 238169), (82, 226551), (111, 167362), (123, 151034), (157, 118326), (222, 83681), (246, 75517), (314, 59163), (471, 39442), (481, 38622), (533, 34854), (942, 19721), (962, 19311), (1066, 17427), (1443, 12874), (1517, 12246), (1599, 11618), (2041, 9102), (2886, 6437), (3034, 6123), (3198, 5809), (4082, 4551)]