18993876

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3889}}^1$

素因数の和:3944

約数の個数: 48

約数和(自身を含む): 49667520

約数和(自身を除く): 30673644

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1221, 1628, 2442, 3889, 4884, 7778, 11667, 15556, 23334, 42779, 46668, 85558, 128337, 143893, 171116, 256674, 287786, 431679, 513348, 575572, 863358, 1582823, 1726716, 3165646, 4748469, 6331292, 9496938, 18993876]

約数ペア:

[(1, 18993876), (2, 9496938), (3, 6331292), (4, 4748469), (6, 3165646), (11, 1726716), (12, 1582823), (22, 863358), (33, 575572), (37, 513348), (44, 431679), (66, 287786), (74, 256674), (111, 171116), (132, 143893), (148, 128337), (222, 85558), (407, 46668), (444, 42779), (814, 23334), (1221, 15556), (1628, 11667), (2442, 7778), (3889, 4884)]