19510875

素因数分解:

$3^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 80

約数和(自身を含む): 38054016

約数和(自身を除く): 18543141

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 47, 75, 81, 123, 125, 135, 141, 205, 225, 235, 369, 375, 405, 423, 615, 675, 705, 1025, 1107, 1125, 1175, 1269, 1845, 1927, 2025, 2115, 3075, 3321, 3375, 3525, 3807, 5125, 5535, 5781, 5875, 6345, 9225, 9635, 10125, 10575, 15375, 16605, 17343, 17625, 19035, 27675, 28905, 31725, 46125, 48175, 52029, 52875, 83025, 86715, 95175, 138375, 144525, 156087, 158625, 240875, 260145, 415125, 433575, 475875, 722625, 780435, 1300725, 2167875, 3902175, 6503625, 19510875]

約数ペア:

[(1, 19510875), (3, 6503625), (5, 3902175), (9, 2167875), (15, 1300725), (25, 780435), (27, 722625), (41, 475875), (45, 433575), (47, 415125), (75, 260145), (81, 240875), (123, 158625), (125, 156087), (135, 144525), (141, 138375), (205, 95175), (225, 86715), (235, 83025), (369, 52875), (375, 52029), (405, 48175), (423, 46125), (615, 31725), (675, 28905), (705, 27675), (1025, 19035), (1107, 17625), (1125, 17343), (1175, 16605), (1269, 15375), (1845, 10575), (1927, 10125), (2025, 9635), (2115, 9225), (3075, 6345), (3321, 5875), (3375, 5781), (3525, 5535), (3807, 5125)]