19266915

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 12528285

約数列:

[1, 3, 5, 15, 71, 79, 213, 229, 237, 355, 395, 687, 1065, 1145, 1185, 3435, 5609, 16259, 16827, 18091, 28045, 48777, 54273, 81295, 84135, 90455, 243885, 271365, 1284461, 3853383, 6422305, 19266915]

約数ペア:

[(1, 19266915), (3, 6422305), (5, 3853383), (15, 1284461), (71, 271365), (79, 243885), (213, 90455), (229, 84135), (237, 81295), (355, 54273), (395, 48777), (687, 28045), (1065, 18091), (1145, 16827), (1185, 16259), (3435, 5609)]