19380304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1723}}^1$

素因数の和:1787

約数の個数: 40

約数和(自身を含む): 40617440

約数和(自身を除く): 21237136

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 1723, 2812, 3446, 5624, 6892, 11248, 13784, 27568, 32737, 63751, 65474, 127502, 130948, 255004, 261896, 510008, 523792, 1020016, 1211269, 2422538, 4845076, 9690152, 19380304]

約数ペア:

[(1, 19380304), (2, 9690152), (4, 4845076), (8, 2422538), (16, 1211269), (19, 1020016), (37, 523792), (38, 510008), (74, 261896), (76, 255004), (148, 130948), (152, 127502), (296, 65474), (304, 63751), (592, 32737), (703, 27568), (1406, 13784), (1723, 11248), (2812, 6892), (3446, 5624)]