19491520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3583}}^1$

素因数の和:3617

約数の個数: 56

約数和(自身を含む): 49158144

約数和(自身を除く): 29666624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 3583, 5440, 7166, 14332, 17915, 28664, 35830, 57328, 60911, 71660, 114656, 121822, 143320, 229312, 243644, 286640, 304555, 487288, 573280, 609110, 974576, 1146560, 1218220, 1949152, 2436440, 3898304, 4872880, 9745760, 19491520]

約数ペア:

[(1, 19491520), (2, 9745760), (4, 4872880), (5, 3898304), (8, 2436440), (10, 1949152), (16, 1218220), (17, 1146560), (20, 974576), (32, 609110), (34, 573280), (40, 487288), (64, 304555), (68, 286640), (80, 243644), (85, 229312), (136, 143320), (160, 121822), (170, 114656), (272, 71660), (320, 60911), (340, 57328), (544, 35830), (680, 28664), (1088, 17915), (1360, 14332), (2720, 7166), (3583, 5440)]