18709320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22273}}^1$

素因数の和:22294

約数の個数: 64

約数和(自身を含む): 64149120

約数和(自身を除く): 45439800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22273, 44546, 66819, 89092, 111365, 133638, 155911, 178184, 222730, 267276, 311822, 334095, 445460, 467733, 534552, 623644, 668190, 779555, 890920, 935466, 1247288, 1336380, 1559110, 1870932, 2338665, 2672760, 3118220, 3741864, 4677330, 6236440, 9354660, 18709320]

約数ペア:

[(1, 18709320), (2, 9354660), (3, 6236440), (4, 4677330), (5, 3741864), (6, 3118220), (7, 2672760), (8, 2338665), (10, 1870932), (12, 1559110), (14, 1336380), (15, 1247288), (20, 935466), (21, 890920), (24, 779555), (28, 668190), (30, 623644), (35, 534552), (40, 467733), (42, 445460), (56, 334095), (60, 311822), (70, 267276), (84, 222730), (105, 178184), (120, 155911), (140, 133638), (168, 111365), (210, 89092), (280, 66819), (420, 44546), (840, 22273)]