19405312

素因数分解:

$2^9\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:420

約数の個数: 40

約数和(自身を含む): 39184992

約数和(自身を除く): 19779680

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 251, 256, 302, 502, 512, 604, 1004, 1208, 2008, 2416, 4016, 4832, 8032, 9664, 16064, 19328, 32128, 37901, 38656, 64256, 75802, 77312, 128512, 151604, 303208, 606416, 1212832, 2425664, 4851328, 9702656, 19405312]

約数ペア:

[(1, 19405312), (2, 9702656), (4, 4851328), (8, 2425664), (16, 1212832), (32, 606416), (64, 303208), (128, 151604), (151, 128512), (251, 77312), (256, 75802), (302, 64256), (502, 38656), (512, 37901), (604, 32128), (1004, 19328), (1208, 16064), (2008, 9664), (2416, 8032), (4016, 4832)]