17938956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 49982464

約数和(自身を除く): 32043508

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 83, 84, 93, 124, 166, 186, 217, 249, 332, 372, 434, 498, 581, 651, 868, 996, 1162, 1302, 1743, 2324, 2573, 2604, 3486, 5146, 6889, 6972, 7719, 10292, 13778, 15438, 18011, 20667, 27556, 30876, 36022, 41334, 48223, 54033, 72044, 82668, 96446, 108066, 144669, 192892, 213559, 216132, 289338, 427118, 578676, 640677, 854236, 1281354, 1494913, 2562708, 2989826, 4484739, 5979652, 8969478, 17938956]

約数ペア:

[(1, 17938956), (2, 8969478), (3, 5979652), (4, 4484739), (6, 2989826), (7, 2562708), (12, 1494913), (14, 1281354), (21, 854236), (28, 640677), (31, 578676), (42, 427118), (62, 289338), (83, 216132), (84, 213559), (93, 192892), (124, 144669), (166, 108066), (186, 96446), (217, 82668), (249, 72044), (332, 54033), (372, 48223), (434, 41334), (498, 36022), (581, 30876), (651, 27556), (868, 20667), (996, 18011), (1162, 15438), (1302, 13778), (1743, 10292), (2324, 7719), (2573, 6972), (2604, 6889), (3486, 5146)]