19042020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 59875200

約数和(自身を除く): 40833180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 179, 180, 197, 270, 358, 394, 537, 540, 591, 716, 788, 895, 985, 1074, 1182, 1611, 1773, 1790, 1970, 2148, 2364, 2685, 2955, 3222, 3546, 3580, 3940, 4833, 5319, 5370, 5910, 6444, 7092, 8055, 8865, 9666, 10638, 10740, 11820, 16110, 17730, 19332, 21276, 24165, 26595, 32220, 35263, 35460, 48330, 53190, 70526, 96660, 105789, 106380, 141052, 176315, 211578, 317367, 352630, 423156, 528945, 634734, 705260, 952101, 1057890, 1269468, 1586835, 1904202, 2115780, 3173670, 3808404, 4760505, 6347340, 9521010, 19042020]

約数ペア:

[(1, 19042020), (2, 9521010), (3, 6347340), (4, 4760505), (5, 3808404), (6, 3173670), (9, 2115780), (10, 1904202), (12, 1586835), (15, 1269468), (18, 1057890), (20, 952101), (27, 705260), (30, 634734), (36, 528945), (45, 423156), (54, 352630), (60, 317367), (90, 211578), (108, 176315), (135, 141052), (179, 106380), (180, 105789), (197, 96660), (270, 70526), (358, 53190), (394, 48330), (537, 35460), (540, 35263), (591, 32220), (716, 26595), (788, 24165), (895, 21276), (985, 19332), (1074, 17730), (1182, 16110), (1611, 11820), (1773, 10740), (1790, 10638), (1970, 9666), (2148, 8865), (2364, 8055), (2685, 7092), (2955, 6444), (3222, 5910), (3546, 5370), (3580, 5319), (3940, 4833)]