2019381858

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{121547}}^1$

素因数の和:121639

約数の個数: 48

約数和(自身を含む): 4778294976

約数和(自身を除く): 2758913118

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2769, 5538, 8307, 16614, 121547, 243094, 364641, 729282, 1093923, 1580111, 2187846, 3160222, 4740333, 8629837, 9480666, 14220999, 17259674, 25889511, 28441998, 51779022, 77668533, 112187881, 155337066, 224375762, 336563643, 673127286, 1009690929, 2019381858]

約数ペア:

[(1, 2019381858), (2, 1009690929), (3, 673127286), (6, 336563643), (9, 224375762), (13, 155337066), (18, 112187881), (26, 77668533), (39, 51779022), (71, 28441998), (78, 25889511), (117, 17259674), (142, 14220999), (213, 9480666), (234, 8629837), (426, 4740333), (639, 3160222), (923, 2187846), (1278, 1580111), (1846, 1093923), (2769, 729282), (5538, 364641), (8307, 243094), (16614, 121547)]