19879968

素因数分解:

$2^5\times 3^1\times {\mathrm{157}}^1\times {\mathrm{1319}}^1$

素因数の和:1489

約数の個数: 48

約数和(自身を含む): 52557120

約数和(自身を除く): 32677152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 157, 314, 471, 628, 942, 1256, 1319, 1884, 2512, 2638, 3768, 3957, 5024, 5276, 7536, 7914, 10552, 15072, 15828, 21104, 31656, 42208, 63312, 126624, 207083, 414166, 621249, 828332, 1242498, 1656664, 2484996, 3313328, 4969992, 6626656, 9939984, 19879968]

約数ペア:

[(1, 19879968), (2, 9939984), (3, 6626656), (4, 4969992), (6, 3313328), (8, 2484996), (12, 1656664), (16, 1242498), (24, 828332), (32, 621249), (48, 414166), (96, 207083), (157, 126624), (314, 63312), (471, 42208), (628, 31656), (942, 21104), (1256, 15828), (1319, 15072), (1884, 10552), (2512, 7914), (2638, 7536), (3768, 5276), (3957, 5024)]