19487650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4283}}^1$

素因数の和:4315

約数の個数: 48

約数和(自身を含む): 44622144

約数和(自身を除く): 25134494

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4283, 4550, 8566, 21415, 29981, 42830, 55679, 59962, 107075, 111358, 149905, 214150, 278395, 299810, 389753, 556790, 749525, 779506, 1391975, 1499050, 1948765, 2783950, 3897530, 9743825, 19487650]

約数ペア:

[(1, 19487650), (2, 9743825), (5, 3897530), (7, 2783950), (10, 1948765), (13, 1499050), (14, 1391975), (25, 779506), (26, 749525), (35, 556790), (50, 389753), (65, 299810), (70, 278395), (91, 214150), (130, 149905), (175, 111358), (182, 107075), (325, 59962), (350, 55679), (455, 42830), (650, 29981), (910, 21415), (2275, 8566), (4283, 4550)]