19781632

素因数分解:

$2^{11}\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 42653520

約数和(自身を除く): 22871888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 743, 832, 1024, 1486, 1664, 2048, 2972, 3328, 5944, 6656, 9659, 11888, 13312, 19318, 23776, 26624, 38636, 47552, 77272, 95104, 154544, 190208, 309088, 380416, 618176, 760832, 1236352, 1521664, 2472704, 4945408, 9890816, 19781632]

約数ペア:

[(1, 19781632), (2, 9890816), (4, 4945408), (8, 2472704), (13, 1521664), (16, 1236352), (26, 760832), (32, 618176), (52, 380416), (64, 309088), (104, 190208), (128, 154544), (208, 95104), (256, 77272), (416, 47552), (512, 38636), (743, 26624), (832, 23776), (1024, 19318), (1486, 13312), (1664, 11888), (2048, 9659), (2972, 6656), (3328, 5944)]