18827936

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 39463200

約数和(自身を除く): 20635264

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 173, 179, 304, 346, 358, 608, 692, 716, 1384, 1432, 2768, 2864, 3287, 3401, 5536, 5728, 6574, 6802, 13148, 13604, 26296, 27208, 30967, 52592, 54416, 61934, 105184, 108832, 123868, 247736, 495472, 588373, 990944, 1176746, 2353492, 4706984, 9413968, 18827936]

約数ペア:

[(1, 18827936), (2, 9413968), (4, 4706984), (8, 2353492), (16, 1176746), (19, 990944), (32, 588373), (38, 495472), (76, 247736), (152, 123868), (173, 108832), (179, 105184), (304, 61934), (346, 54416), (358, 52592), (608, 30967), (692, 27208), (716, 26296), (1384, 13604), (1432, 13148), (2768, 6802), (2864, 6574), (3287, 5728), (3401, 5536)]