18888704

素因数分解:

$2^{11}\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 39508560

約数和(自身を除く): 20619856

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 401, 512, 736, 802, 1024, 1472, 1604, 2048, 2944, 3208, 5888, 6416, 9223, 11776, 12832, 18446, 23552, 25664, 36892, 47104, 51328, 73784, 102656, 147568, 205312, 295136, 410624, 590272, 821248, 1180544, 2361088, 4722176, 9444352, 18888704]

約数ペア:

[(1, 18888704), (2, 9444352), (4, 4722176), (8, 2361088), (16, 1180544), (23, 821248), (32, 590272), (46, 410624), (64, 295136), (92, 205312), (128, 147568), (184, 102656), (256, 73784), (368, 51328), (401, 47104), (512, 36892), (736, 25664), (802, 23552), (1024, 18446), (1472, 12832), (1604, 11776), (2048, 9223), (2944, 6416), (3208, 5888)]