19119735

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 34882848

約数和(自身を除く): 15763113

約数列:

[1, 3, 5, 9, 15, 41, 43, 45, 123, 129, 205, 215, 241, 369, 387, 615, 645, 723, 1205, 1763, 1845, 1935, 2169, 3615, 5289, 8815, 9881, 10363, 10845, 15867, 26445, 29643, 31089, 49405, 51815, 79335, 88929, 93267, 148215, 155445, 424883, 444645, 466335, 1274649, 2124415, 3823947, 6373245, 19119735]

約数ペア:

[(1, 19119735), (3, 6373245), (5, 3823947), (9, 2124415), (15, 1274649), (41, 466335), (43, 444645), (45, 424883), (123, 155445), (129, 148215), (205, 93267), (215, 88929), (241, 79335), (369, 51815), (387, 49405), (615, 31089), (645, 29643), (723, 26445), (1205, 15867), (1763, 10845), (1845, 10363), (1935, 9881), (2169, 8815), (3615, 5289)]