19400820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4093}}^1$

素因数の和:4184

約数の個数: 48

約数和(自身を含む): 55023360

約数和(自身を除く): 35622540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4093, 4740, 8186, 12279, 16372, 20465, 24558, 40930, 49116, 61395, 81860, 122790, 245580, 323347, 646694, 970041, 1293388, 1616735, 1940082, 3233470, 3880164, 4850205, 6466940, 9700410, 19400820]

約数ペア:

[(1, 19400820), (2, 9700410), (3, 6466940), (4, 4850205), (5, 3880164), (6, 3233470), (10, 1940082), (12, 1616735), (15, 1293388), (20, 970041), (30, 646694), (60, 323347), (79, 245580), (158, 122790), (237, 81860), (316, 61395), (395, 49116), (474, 40930), (790, 24558), (948, 20465), (1185, 16372), (1580, 12279), (2370, 8186), (4093, 4740)]