19934416

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:419

約数の個数: 40

約数和(自身を含む): 40108544

約数和(自身を除く): 20174128

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 151, 223, 296, 302, 446, 592, 604, 892, 1208, 1784, 2416, 3568, 5587, 8251, 11174, 16502, 22348, 33004, 33673, 44696, 66008, 67346, 89392, 132016, 134692, 269384, 538768, 1245901, 2491802, 4983604, 9967208, 19934416]

約数ペア:

[(1, 19934416), (2, 9967208), (4, 4983604), (8, 2491802), (16, 1245901), (37, 538768), (74, 269384), (148, 134692), (151, 132016), (223, 89392), (296, 67346), (302, 66008), (446, 44696), (592, 33673), (604, 33004), (892, 22348), (1208, 16502), (1784, 11174), (2416, 8251), (3568, 5587)]