19828998

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{653}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 49379616

約数和(自身を除く): 29550618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 241, 482, 653, 723, 1306, 1446, 1687, 1959, 2169, 3374, 3918, 4338, 4571, 5061, 5877, 9142, 10122, 11754, 13713, 15183, 27426, 30366, 41139, 82278, 157373, 314746, 472119, 944238, 1101611, 1416357, 2203222, 2832714, 3304833, 6609666, 9914499, 19828998]

約数ペア:

[(1, 19828998), (2, 9914499), (3, 6609666), (6, 3304833), (7, 2832714), (9, 2203222), (14, 1416357), (18, 1101611), (21, 944238), (42, 472119), (63, 314746), (126, 157373), (241, 82278), (482, 41139), (653, 30366), (723, 27426), (1306, 15183), (1446, 13713), (1687, 11754), (1959, 10122), (2169, 9142), (3374, 5877), (3918, 5061), (4338, 4571)]