19193640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 57879360

約数和(自身を除く): 38685720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 521, 614, 921, 1042, 1228, 1535, 1563, 1842, 2084, 2456, 2605, 3070, 3126, 3684, 4168, 4605, 5210, 6140, 6252, 7368, 7815, 9210, 10420, 12280, 12504, 15630, 18420, 20840, 31260, 36840, 62520, 159947, 319894, 479841, 639788, 799735, 959682, 1279576, 1599470, 1919364, 2399205, 3198940, 3838728, 4798410, 6397880, 9596820, 19193640]

約数ペア:

[(1, 19193640), (2, 9596820), (3, 6397880), (4, 4798410), (5, 3838728), (6, 3198940), (8, 2399205), (10, 1919364), (12, 1599470), (15, 1279576), (20, 959682), (24, 799735), (30, 639788), (40, 479841), (60, 319894), (120, 159947), (307, 62520), (521, 36840), (614, 31260), (921, 20840), (1042, 18420), (1228, 15630), (1535, 12504), (1563, 12280), (1842, 10420), (2084, 9210), (2456, 7815), (2605, 7368), (3070, 6252), (3126, 6140), (3684, 5210), (4168, 4605)]