19542784

素因数分解:

$2^8\times {\mathrm{97}}^1\times {\mathrm{787}}^1$

素因数の和:900

約数の個数: 36

約数和(自身を含む): 39461464

約数和(自身を除く): 19918680

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 256, 388, 776, 787, 1552, 1574, 3104, 3148, 6208, 6296, 12416, 12592, 24832, 25184, 50368, 76339, 100736, 152678, 201472, 305356, 610712, 1221424, 2442848, 4885696, 9771392, 19542784]

約数ペア:

[(1, 19542784), (2, 9771392), (4, 4885696), (8, 2442848), (16, 1221424), (32, 610712), (64, 305356), (97, 201472), (128, 152678), (194, 100736), (256, 76339), (388, 50368), (776, 25184), (787, 24832), (1552, 12592), (1574, 12416), (3104, 6296), (3148, 6208)]