19461697515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{75781}}^1$

素因数の和:76244

約数の個数: 48

約数和(自身を含む): 36411735360

約数和(自身を除く): 16950037845

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 439, 585, 1317, 2195, 3951, 5707, 6585, 17121, 19755, 28535, 51363, 75781, 85605, 227343, 256815, 378905, 682029, 985153, 1136715, 2955459, 3410145, 4925765, 8866377, 14777295, 33267859, 44331885, 99803577, 166339295, 299410731, 432482167, 499017885, 1297446501, 1497053655, 2162410835, 3892339503, 6487232505, 19461697515]

約数ペア:

[(1, 19461697515), (3, 6487232505), (5, 3892339503), (9, 2162410835), (13, 1497053655), (15, 1297446501), (39, 499017885), (45, 432482167), (65, 299410731), (117, 166339295), (195, 99803577), (439, 44331885), (585, 33267859), (1317, 14777295), (2195, 8866377), (3951, 4925765), (5707, 3410145), (6585, 2955459), (17121, 1136715), (19755, 985153), (28535, 682029), (51363, 378905), (75781, 256815), (85605, 227343)]