19597040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8447}}^1$

素因数の和:8489

約数の個数: 40

約数和(自身を含む): 47139840

約数和(自身を除く): 27542800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8447, 16894, 33788, 42235, 67576, 84470, 135152, 168940, 244963, 337880, 489926, 675760, 979852, 1224815, 1959704, 2449630, 3919408, 4899260, 9798520, 19597040]

約数ペア:

[(1, 19597040), (2, 9798520), (4, 4899260), (5, 3919408), (8, 2449630), (10, 1959704), (16, 1224815), (20, 979852), (29, 675760), (40, 489926), (58, 337880), (80, 244963), (116, 168940), (145, 135152), (232, 84470), (290, 67576), (464, 42235), (580, 33788), (1160, 16894), (2320, 8447)]