18278778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 43868160

約数和(自身を除く): 25589382

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 101, 139, 186, 202, 217, 278, 303, 417, 434, 606, 651, 707, 834, 973, 1302, 1414, 1946, 2121, 2919, 3131, 4242, 4309, 5838, 6262, 8618, 9393, 12927, 14039, 18786, 21917, 25854, 28078, 30163, 42117, 43834, 60326, 65751, 84234, 90489, 98273, 131502, 180978, 196546, 294819, 435209, 589638, 870418, 1305627, 2611254, 3046463, 6092926, 9139389, 18278778]

約数ペア:

[(1, 18278778), (2, 9139389), (3, 6092926), (6, 3046463), (7, 2611254), (14, 1305627), (21, 870418), (31, 589638), (42, 435209), (62, 294819), (93, 196546), (101, 180978), (139, 131502), (186, 98273), (202, 90489), (217, 84234), (278, 65751), (303, 60326), (417, 43834), (434, 42117), (606, 30163), (651, 28078), (707, 25854), (834, 21917), (973, 18786), (1302, 14039), (1414, 12927), (1946, 9393), (2121, 8618), (2919, 6262), (3131, 5838), (4242, 4309)]