18745398

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 48176640

約数和(自身を除く): 29431242

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 101, 126, 189, 202, 303, 378, 491, 606, 707, 909, 982, 1414, 1473, 1818, 2121, 2727, 2946, 3437, 4242, 4419, 5454, 6363, 6874, 8838, 10311, 12726, 13257, 19089, 20622, 26514, 30933, 38178, 49591, 61866, 92799, 99182, 148773, 185598, 297546, 347137, 446319, 694274, 892638, 1041411, 1338957, 2082822, 2677914, 3124233, 6248466, 9372699, 18745398]

約数ペア:

[(1, 18745398), (2, 9372699), (3, 6248466), (6, 3124233), (7, 2677914), (9, 2082822), (14, 1338957), (18, 1041411), (21, 892638), (27, 694274), (42, 446319), (54, 347137), (63, 297546), (101, 185598), (126, 148773), (189, 99182), (202, 92799), (303, 61866), (378, 49591), (491, 38178), (606, 30933), (707, 26514), (909, 20622), (982, 19089), (1414, 13257), (1473, 12726), (1818, 10311), (2121, 8838), (2727, 6874), (2946, 6363), (3437, 5454), (4242, 4419)]