19365747

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 8835213

約数列:

[1, 3, 23, 59, 67, 69, 71, 177, 201, 213, 1357, 1541, 1633, 3953, 4071, 4189, 4623, 4757, 4899, 11859, 12567, 14271, 90919, 96347, 109411, 272757, 280663, 289041, 328233, 841989, 6455249, 19365747]

約数ペア:

[(1, 19365747), (3, 6455249), (23, 841989), (59, 328233), (67, 289041), (69, 280663), (71, 272757), (177, 109411), (201, 96347), (213, 90919), (1357, 14271), (1541, 12567), (1633, 11859), (3953, 4899), (4071, 4757), (4189, 4623)]