18943090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{787}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 35743680

約数和(自身を除く): 16800590

約数列:

[1, 2, 5, 10, 29, 58, 83, 145, 166, 290, 415, 787, 830, 1574, 2407, 3935, 4814, 7870, 12035, 22823, 24070, 45646, 65321, 114115, 130642, 228230, 326605, 653210, 1894309, 3788618, 9471545, 18943090]

約数ペア:

[(1, 18943090), (2, 9471545), (5, 3788618), (10, 1894309), (29, 653210), (58, 326605), (83, 228230), (145, 130642), (166, 114115), (290, 65321), (415, 45646), (787, 24070), (830, 22823), (1574, 12035), (2407, 7870), (3935, 4814)]