19358950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 72

約数和(自身を含む): 40845600

約数和(自身を除く): 21486650

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 79, 130, 145, 158, 169, 290, 325, 338, 377, 395, 650, 725, 754, 790, 845, 1027, 1450, 1690, 1885, 1975, 2054, 2291, 3770, 3950, 4225, 4582, 4901, 5135, 8450, 9425, 9802, 10270, 11455, 13351, 18850, 22910, 24505, 25675, 26702, 29783, 49010, 51350, 57275, 59566, 66755, 114550, 122525, 133510, 148915, 245050, 297830, 333775, 387179, 667550, 744575, 774358, 1489150, 1935895, 3871790, 9679475, 19358950]

約数ペア:

[(1, 19358950), (2, 9679475), (5, 3871790), (10, 1935895), (13, 1489150), (25, 774358), (26, 744575), (29, 667550), (50, 387179), (58, 333775), (65, 297830), (79, 245050), (130, 148915), (145, 133510), (158, 122525), (169, 114550), (290, 66755), (325, 59566), (338, 57275), (377, 51350), (395, 49010), (650, 29783), (725, 26702), (754, 25675), (790, 24505), (845, 22910), (1027, 18850), (1450, 13351), (1690, 11455), (1885, 10270), (1975, 9802), (2054, 9425), (2291, 8450), (3770, 5135), (3950, 4901), (4225, 4582)]