19888945920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1726471}}^1$

素因数の和:1726498

約数の個数: 108

約数和(自身を含む): 68813720976

約数和(自身を除く): 48924775056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 1726471, 3452942, 5179413, 6905884, 8632355, 10358826, 13811768, 15538239, 17264710, 20717652, 25897065, 27623536, 31076478, 34529420, 41435304, 51794130, 55247072, 62152956, 69058840, 77691195, 82870608, 103588260, 110494144, 124305912, 138117680, 155382390, 165741216, 207176520, 220988288, 248611824, 276235360, 310764780, 331482432, 414353040, 441976576, 497223648, 552470720, 621529560, 662964864, 828706080, 994447296, 1104941440, 1243059120, 1325929728, 1657412160, 1988894592, 2209882880, 2486118240, 3314824320, 3977789184, 4972236480, 6629648640, 9944472960, 19888945920]

約数ペア:

[(1, 19888945920), (2, 9944472960), (3, 6629648640), (4, 4972236480), (5, 3977789184), (6, 3314824320), (8, 2486118240), (9, 2209882880), (10, 1988894592), (12, 1657412160), (15, 1325929728), (16, 1243059120), (18, 1104941440), (20, 994447296), (24, 828706080), (30, 662964864), (32, 621529560), (36, 552470720), (40, 497223648), (45, 441976576), (48, 414353040), (60, 331482432), (64, 310764780), (72, 276235360), (80, 248611824), (90, 220988288), (96, 207176520), (120, 165741216), (128, 155382390), (144, 138117680), (160, 124305912), (180, 110494144), (192, 103588260), (240, 82870608), (256, 77691195), (288, 69058840), (320, 62152956), (360, 55247072), (384, 51794130), (480, 41435304), (576, 34529420), (640, 31076478), (720, 27623536), (768, 25897065), (960, 20717652), (1152, 17264710), (1280, 15538239), (1440, 13811768), (1920, 10358826), (2304, 8632355), (2880, 6905884), (3840, 5179413), (5760, 3452942), (11520, 1726471)]