19947593888

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{65707}}^1$

素因数の和:65949

約数の個数: 48

約数和(自身を含む): 40236950880

約数和(自身を除く): 20289356992

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 179, 212, 358, 424, 716, 848, 1432, 1696, 2864, 5728, 9487, 18974, 37948, 65707, 75896, 131414, 151792, 262828, 303584, 525656, 1051312, 2102624, 3482471, 6964942, 11761553, 13929884, 23523106, 27859768, 47046212, 55719536, 94092424, 111439072, 188184848, 376369696, 623362309, 1246724618, 2493449236, 4986898472, 9973796944, 19947593888]

約数ペア:

[(1, 19947593888), (2, 9973796944), (4, 4986898472), (8, 2493449236), (16, 1246724618), (32, 623362309), (53, 376369696), (106, 188184848), (179, 111439072), (212, 94092424), (358, 55719536), (424, 47046212), (716, 27859768), (848, 23523106), (1432, 13929884), (1696, 11761553), (2864, 6964942), (5728, 3482471), (9487, 2102624), (18974, 1051312), (37948, 525656), (65707, 303584), (75896, 262828), (131414, 151792)]