18709830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{463}}^1$

素因数の和:925

約数の個数: 48

約数和(自身を含む): 48859200

約数和(自身を除く): 30149370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 449, 463, 898, 926, 1347, 1389, 2245, 2315, 2694, 2778, 4041, 4167, 4490, 4630, 6735, 6945, 8082, 8334, 13470, 13890, 20205, 20835, 40410, 41670, 207887, 415774, 623661, 1039435, 1247322, 1870983, 2078870, 3118305, 3741966, 6236610, 9354915, 18709830]

約数ペア:

[(1, 18709830), (2, 9354915), (3, 6236610), (5, 3741966), (6, 3118305), (9, 2078870), (10, 1870983), (15, 1247322), (18, 1039435), (30, 623661), (45, 415774), (90, 207887), (449, 41670), (463, 40410), (898, 20835), (926, 20205), (1347, 13890), (1389, 13470), (2245, 8334), (2315, 8082), (2694, 6945), (2778, 6735), (4041, 4630), (4167, 4490)]