19477422

素因数分解:

$2^1\times 3^7\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 45145920

約数和(自身を除く): 25668498

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 73, 81, 122, 146, 162, 183, 219, 243, 366, 438, 486, 549, 657, 729, 1098, 1314, 1458, 1647, 1971, 2187, 3294, 3942, 4374, 4453, 4941, 5913, 8906, 9882, 11826, 13359, 14823, 17739, 26718, 29646, 35478, 40077, 44469, 53217, 80154, 88938, 106434, 120231, 133407, 159651, 240462, 266814, 319302, 360693, 721386, 1082079, 2164158, 3246237, 6492474, 9738711, 19477422]

約数ペア:

[(1, 19477422), (2, 9738711), (3, 6492474), (6, 3246237), (9, 2164158), (18, 1082079), (27, 721386), (54, 360693), (61, 319302), (73, 266814), (81, 240462), (122, 159651), (146, 133407), (162, 120231), (183, 106434), (219, 88938), (243, 80154), (366, 53217), (438, 44469), (486, 40077), (549, 35478), (657, 29646), (729, 26718), (1098, 17739), (1314, 14823), (1458, 13359), (1647, 11826), (1971, 9882), (2187, 8906), (3294, 5913), (3942, 4941), (4374, 4453)]