19150005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 38246400

約数和(自身を除く): 19096395

約数列:

[1, 3, 5, 7, 15, 19, 21, 29, 35, 57, 87, 95, 105, 133, 145, 203, 285, 331, 399, 435, 551, 609, 665, 993, 1015, 1653, 1655, 1995, 2317, 2755, 3045, 3857, 4965, 6289, 6951, 8265, 9599, 11571, 11585, 18867, 19285, 28797, 31445, 34755, 44023, 47995, 57855, 67193, 94335, 132069, 143985, 182381, 201579, 220115, 335965, 547143, 660345, 911905, 1007895, 1276667, 2735715, 3830001, 6383335, 19150005]

約数ペア:

[(1, 19150005), (3, 6383335), (5, 3830001), (7, 2735715), (15, 1276667), (19, 1007895), (21, 911905), (29, 660345), (35, 547143), (57, 335965), (87, 220115), (95, 201579), (105, 182381), (133, 143985), (145, 132069), (203, 94335), (285, 67193), (331, 57855), (399, 47995), (435, 44023), (551, 34755), (609, 31445), (665, 28797), (993, 19285), (1015, 18867), (1653, 11585), (1655, 11571), (1995, 9599), (2317, 8265), (2755, 6951), (3045, 6289), (3857, 4965)]