18398650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 36560160

約数和(自身を除く): 18161510

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 107, 181, 190, 214, 362, 475, 535, 905, 950, 1070, 1810, 2033, 2675, 3439, 4066, 4525, 5350, 6878, 9050, 10165, 17195, 19367, 20330, 34390, 38734, 50825, 85975, 96835, 101650, 171950, 193670, 367973, 484175, 735946, 968350, 1839865, 3679730, 9199325, 18398650]

約数ペア:

[(1, 18398650), (2, 9199325), (5, 3679730), (10, 1839865), (19, 968350), (25, 735946), (38, 484175), (50, 367973), (95, 193670), (107, 171950), (181, 101650), (190, 96835), (214, 85975), (362, 50825), (475, 38734), (535, 34390), (905, 20330), (950, 19367), (1070, 17195), (1810, 10165), (2033, 9050), (2675, 6878), (3439, 5350), (4066, 4525)]