18709470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15991}}^1$

素因数の和:16017

約数の個数: 48

約数和(自身を含む): 52389792

約数和(自身を除く): 33680322

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 15991, 31982, 47973, 79955, 95946, 143919, 159910, 207883, 239865, 287838, 415766, 479730, 623649, 719595, 1039415, 1247298, 1439190, 1870947, 2078830, 3118245, 3741894, 6236490, 9354735, 18709470]

約数ペア:

[(1, 18709470), (2, 9354735), (3, 6236490), (5, 3741894), (6, 3118245), (9, 2078830), (10, 1870947), (13, 1439190), (15, 1247298), (18, 1039415), (26, 719595), (30, 623649), (39, 479730), (45, 415766), (65, 287838), (78, 239865), (90, 207883), (117, 159910), (130, 143919), (195, 95946), (234, 79955), (390, 47973), (585, 31982), (1170, 15991)]