19825884

素因数分解:

$2^2\times 3^6\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:558

約数の個数: 84

約数和(自身を含む): 56127736

約数和(自身を除く): 36301852

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 523, 702, 729, 972, 1046, 1053, 1404, 1458, 1569, 2092, 2106, 2916, 3138, 3159, 4212, 4707, 6276, 6318, 6799, 9414, 9477, 12636, 13598, 14121, 18828, 18954, 20397, 27196, 28242, 37908, 40794, 42363, 56484, 61191, 81588, 84726, 122382, 127089, 169452, 183573, 244764, 254178, 367146, 381267, 508356, 550719, 734292, 762534, 1101438, 1525068, 1652157, 2202876, 3304314, 4956471, 6608628, 9912942, 19825884]

約数ペア:

[(1, 19825884), (2, 9912942), (3, 6608628), (4, 4956471), (6, 3304314), (9, 2202876), (12, 1652157), (13, 1525068), (18, 1101438), (26, 762534), (27, 734292), (36, 550719), (39, 508356), (52, 381267), (54, 367146), (78, 254178), (81, 244764), (108, 183573), (117, 169452), (156, 127089), (162, 122382), (234, 84726), (243, 81588), (324, 61191), (351, 56484), (468, 42363), (486, 40794), (523, 37908), (702, 28242), (729, 27196), (972, 20397), (1046, 18954), (1053, 18828), (1404, 14121), (1458, 13598), (1569, 12636), (2092, 9477), (2106, 9414), (2916, 6799), (3138, 6318), (3159, 6276), (4212, 4707)]