19761664

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{2969}}^1$

素因数の和:3000

約数の個数: 40

約数和(自身を含む): 42536340

約数和(自身を除く): 22774676

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 2969, 3328, 5938, 6656, 11876, 23752, 38597, 47504, 77194, 95008, 154388, 190016, 308776, 380032, 617552, 760064, 1235104, 1520128, 2470208, 4940416, 9880832, 19761664]

約数ペア:

[(1, 19761664), (2, 9880832), (4, 4940416), (8, 2470208), (13, 1520128), (16, 1235104), (26, 760064), (32, 617552), (52, 380032), (64, 308776), (104, 190016), (128, 154388), (208, 95008), (256, 77194), (416, 47504), (512, 38597), (832, 23752), (1664, 11876), (2969, 6656), (3328, 5938)]