19013560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 45554400

約数和(自身を除く): 26540840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 443, 580, 740, 886, 1073, 1160, 1480, 1772, 2146, 2215, 3544, 4292, 4430, 5365, 8584, 8860, 10730, 12847, 16391, 17720, 21460, 25694, 32782, 42920, 51388, 64235, 65564, 81955, 102776, 128470, 131128, 163910, 256940, 327820, 475339, 513880, 655640, 950678, 1901356, 2376695, 3802712, 4753390, 9506780, 19013560]

約数ペア:

[(1, 19013560), (2, 9506780), (4, 4753390), (5, 3802712), (8, 2376695), (10, 1901356), (20, 950678), (29, 655640), (37, 513880), (40, 475339), (58, 327820), (74, 256940), (116, 163910), (145, 131128), (148, 128470), (185, 102776), (232, 81955), (290, 65564), (296, 64235), (370, 51388), (443, 42920), (580, 32782), (740, 25694), (886, 21460), (1073, 17720), (1160, 16391), (1480, 12847), (1772, 10730), (2146, 8860), (2215, 8584), (3544, 5365), (4292, 4430)]