19655584

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1277}}^1$

素因数の和:1337

約数の個数: 48

約数和(自身を含む): 42833448

約数和(自身を除く): 23177864

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 104, 148, 208, 296, 416, 481, 592, 962, 1184, 1277, 1924, 2554, 3848, 5108, 7696, 10216, 15392, 16601, 20432, 33202, 40864, 47249, 66404, 94498, 132808, 188996, 265616, 377992, 531232, 614237, 755984, 1228474, 1511968, 2456948, 4913896, 9827792, 19655584]

約数ペア:

[(1, 19655584), (2, 9827792), (4, 4913896), (8, 2456948), (13, 1511968), (16, 1228474), (26, 755984), (32, 614237), (37, 531232), (52, 377992), (74, 265616), (104, 188996), (148, 132808), (208, 94498), (296, 66404), (416, 47249), (481, 40864), (592, 33202), (962, 20432), (1184, 16601), (1277, 15392), (1924, 10216), (2554, 7696), (3848, 5108)]