19937664

素因数分解:

$2^7\times 3^5\times {\mathrm{641}}^1$

素因数の和:670

約数の個数: 96

約数和(自身を含む): 59590440

約数和(自身を除く): 39652776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 288, 324, 384, 432, 486, 576, 641, 648, 864, 972, 1152, 1282, 1296, 1728, 1923, 1944, 2564, 2592, 3456, 3846, 3888, 5128, 5184, 5769, 7692, 7776, 10256, 10368, 11538, 15384, 15552, 17307, 20512, 23076, 30768, 31104, 34614, 41024, 46152, 51921, 61536, 69228, 82048, 92304, 103842, 123072, 138456, 155763, 184608, 207684, 246144, 276912, 311526, 369216, 415368, 553824, 623052, 738432, 830736, 1107648, 1246104, 1661472, 2215296, 2492208, 3322944, 4984416, 6645888, 9968832, 19937664]

約数ペア:

[(1, 19937664), (2, 9968832), (3, 6645888), (4, 4984416), (6, 3322944), (8, 2492208), (9, 2215296), (12, 1661472), (16, 1246104), (18, 1107648), (24, 830736), (27, 738432), (32, 623052), (36, 553824), (48, 415368), (54, 369216), (64, 311526), (72, 276912), (81, 246144), (96, 207684), (108, 184608), (128, 155763), (144, 138456), (162, 123072), (192, 103842), (216, 92304), (243, 82048), (288, 69228), (324, 61536), (384, 51921), (432, 46152), (486, 41024), (576, 34614), (641, 31104), (648, 30768), (864, 23076), (972, 20512), (1152, 17307), (1282, 15552), (1296, 15384), (1728, 11538), (1923, 10368), (1944, 10256), (2564, 7776), (2592, 7692), (3456, 5769), (3846, 5184), (3888, 5128)]