19614992

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:711

約数の個数: 40

約数和(自身を含む): 40428960

約数和(自身を除く): 20813968

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 113, 152, 226, 304, 452, 571, 904, 1142, 1808, 2147, 2284, 4294, 4568, 8588, 9136, 10849, 17176, 21698, 34352, 43396, 64523, 86792, 129046, 173584, 258092, 516184, 1032368, 1225937, 2451874, 4903748, 9807496, 19614992]

約数ペア:

[(1, 19614992), (2, 9807496), (4, 4903748), (8, 2451874), (16, 1225937), (19, 1032368), (38, 516184), (76, 258092), (113, 173584), (152, 129046), (226, 86792), (304, 64523), (452, 43396), (571, 34352), (904, 21698), (1142, 17176), (1808, 10849), (2147, 9136), (2284, 8588), (4294, 4568)]