19354560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20161}}^1$

素因数の和:20181

約数の個数: 56

約数和(自身を含む): 61453776

約数和(自身を除く): 42099216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 20161, 40322, 60483, 80644, 100805, 120966, 161288, 201610, 241932, 302415, 322576, 403220, 483864, 604830, 645152, 806440, 967728, 1209660, 1290304, 1612880, 1935456, 2419320, 3225760, 3870912, 4838640, 6451520, 9677280, 19354560]

約数ペア:

[(1, 19354560), (2, 9677280), (3, 6451520), (4, 4838640), (5, 3870912), (6, 3225760), (8, 2419320), (10, 1935456), (12, 1612880), (15, 1290304), (16, 1209660), (20, 967728), (24, 806440), (30, 645152), (32, 604830), (40, 483864), (48, 403220), (60, 322576), (64, 302415), (80, 241932), (96, 201610), (120, 161288), (160, 120966), (192, 100805), (240, 80644), (320, 60483), (480, 40322), (960, 20161)]