18615090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 30373710

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 59, 65, 78, 118, 130, 177, 195, 295, 354, 390, 590, 767, 809, 885, 1534, 1618, 1770, 2301, 2427, 3835, 4045, 4602, 4854, 7670, 8090, 10517, 11505, 12135, 21034, 23010, 24270, 31551, 47731, 52585, 63102, 95462, 105170, 143193, 157755, 238655, 286386, 315510, 477310, 620503, 715965, 1241006, 1431930, 1861509, 3102515, 3723018, 6205030, 9307545, 18615090]

約数ペア:

[(1, 18615090), (2, 9307545), (3, 6205030), (5, 3723018), (6, 3102515), (10, 1861509), (13, 1431930), (15, 1241006), (26, 715965), (30, 620503), (39, 477310), (59, 315510), (65, 286386), (78, 238655), (118, 157755), (130, 143193), (177, 105170), (195, 95462), (295, 63102), (354, 52585), (390, 47731), (590, 31551), (767, 24270), (809, 23010), (885, 21034), (1534, 12135), (1618, 11505), (1770, 10517), (2301, 8090), (2427, 7670), (3835, 4854), (4045, 4602)]