19805616

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{1741}}^1$

素因数の和:1834

約数の個数: 60

約数和(自身を含む): 56162080

約数和(自身を除く): 36356464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 79, 144, 158, 237, 316, 474, 632, 711, 948, 1264, 1422, 1741, 1896, 2844, 3482, 3792, 5223, 5688, 6964, 10446, 11376, 13928, 15669, 20892, 27856, 31338, 41784, 62676, 83568, 125352, 137539, 250704, 275078, 412617, 550156, 825234, 1100312, 1237851, 1650468, 2200624, 2475702, 3300936, 4951404, 6601872, 9902808, 19805616]

約数ペア:

[(1, 19805616), (2, 9902808), (3, 6601872), (4, 4951404), (6, 3300936), (8, 2475702), (9, 2200624), (12, 1650468), (16, 1237851), (18, 1100312), (24, 825234), (36, 550156), (48, 412617), (72, 275078), (79, 250704), (144, 137539), (158, 125352), (237, 83568), (316, 62676), (474, 41784), (632, 31338), (711, 27856), (948, 20892), (1264, 15669), (1422, 13928), (1741, 11376), (1896, 10446), (2844, 6964), (3482, 5688), (3792, 5223)]