19538666

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 34497792

約数和(自身を除く): 14959126

約数列:

[1, 2, 7, 14, 61, 122, 137, 167, 274, 334, 427, 854, 959, 1169, 1918, 2338, 8357, 10187, 16714, 20374, 22879, 45758, 58499, 71309, 116998, 142618, 160153, 320306, 1395619, 2791238, 9769333, 19538666]

約数ペア:

[(1, 19538666), (2, 9769333), (7, 2791238), (14, 1395619), (61, 320306), (122, 160153), (137, 142618), (167, 116998), (274, 71309), (334, 58499), (427, 45758), (854, 22879), (959, 20374), (1169, 16714), (1918, 10187), (2338, 8357)]