19887744

素因数分解:

$2^7\times 3^1\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 53684640

約数和(自身を除く): 33796896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 268, 384, 402, 536, 773, 804, 1072, 1546, 1608, 2144, 2319, 3092, 3216, 4288, 4638, 6184, 6432, 8576, 9276, 12368, 12864, 18552, 24736, 25728, 37104, 49472, 51791, 74208, 98944, 103582, 148416, 155373, 207164, 296832, 310746, 414328, 621492, 828656, 1242984, 1657312, 2485968, 3314624, 4971936, 6629248, 9943872, 19887744]

約数ペア:

[(1, 19887744), (2, 9943872), (3, 6629248), (4, 4971936), (6, 3314624), (8, 2485968), (12, 1657312), (16, 1242984), (24, 828656), (32, 621492), (48, 414328), (64, 310746), (67, 296832), (96, 207164), (128, 155373), (134, 148416), (192, 103582), (201, 98944), (268, 74208), (384, 51791), (402, 49472), (536, 37104), (773, 25728), (804, 24736), (1072, 18552), (1546, 12864), (1608, 12368), (2144, 9276), (2319, 8576), (3092, 6432), (3216, 6184), (4288, 4638)]