18937366959

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{66449}}^1$

素因数の和:66831

約数の個数: 32

約数和(自身を含む): 29650521600

約数和(自身を除く): 10713154641

約数列:

[1, 3, 7, 21, 41, 123, 287, 331, 861, 993, 2317, 6951, 13571, 40713, 66449, 94997, 199347, 284991, 465143, 1395429, 2724409, 8173227, 19070863, 21994619, 57212589, 65983857, 153962333, 461886999, 901779379, 2705338137, 6312455653, 18937366959]

約数ペア:

[(1, 18937366959), (3, 6312455653), (7, 2705338137), (21, 901779379), (41, 461886999), (123, 153962333), (287, 65983857), (331, 57212589), (861, 21994619), (993, 19070863), (2317, 8173227), (6951, 2724409), (13571, 1395429), (40713, 465143), (66449, 284991), (94997, 199347)]