18715190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7577}}^1$

素因数の和:7616

約数の個数: 32

約数和(自身を含む): 38193120

約数和(自身を除く): 19477930

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7577, 15154, 37885, 75770, 98501, 143963, 197002, 287926, 492505, 719815, 985010, 1439630, 1871519, 3743038, 9357595, 18715190]

約数ペア:

[(1, 18715190), (2, 9357595), (5, 3743038), (10, 1871519), (13, 1439630), (19, 985010), (26, 719815), (38, 492505), (65, 287926), (95, 197002), (130, 143963), (190, 98501), (247, 75770), (494, 37885), (1235, 15154), (2470, 7577)]