18973035

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{593}}^1$

素因数の和:689

約数の個数: 40

約数和(自身を含む): 34499520

約数和(自身を除く): 15526485

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 593, 711, 1185, 1779, 2133, 2965, 3555, 5337, 6399, 8895, 10665, 16011, 26685, 31995, 46847, 48033, 80055, 140541, 234235, 240165, 421623, 702705, 1264869, 2108115, 3794607, 6324345, 18973035]

約数ペア:

[(1, 18973035), (3, 6324345), (5, 3794607), (9, 2108115), (15, 1264869), (27, 702705), (45, 421623), (79, 240165), (81, 234235), (135, 140541), (237, 80055), (395, 48033), (405, 46847), (593, 31995), (711, 26685), (1185, 16011), (1779, 10665), (2133, 8895), (2965, 6399), (3555, 5337)]