19288890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2003}}^1$

素因数の和:2123

約数の個数: 48

約数和(自身を含む): 50645088

約数和(自身を除く): 31356198

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 107, 214, 321, 535, 642, 963, 1070, 1605, 1926, 2003, 3210, 4006, 4815, 6009, 9630, 10015, 12018, 18027, 20030, 30045, 36054, 60090, 90135, 180270, 214321, 428642, 642963, 1071605, 1285926, 1928889, 2143210, 3214815, 3857778, 6429630, 9644445, 19288890]

約数ペア:

[(1, 19288890), (2, 9644445), (3, 6429630), (5, 3857778), (6, 3214815), (9, 2143210), (10, 1928889), (15, 1285926), (18, 1071605), (30, 642963), (45, 428642), (90, 214321), (107, 180270), (214, 90135), (321, 60090), (535, 36054), (642, 30045), (963, 20030), (1070, 18027), (1605, 12018), (1926, 10015), (2003, 9630), (3210, 6009), (4006, 4815)]