19587960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2591}}^1$

素因数の和:2618

約数の個数: 128

約数和(自身を含む): 74649600

約数和(自身を除く): 55061640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 2591, 3780, 5182, 7560, 7773, 10364, 12955, 15546, 18137, 20728, 23319, 25910, 31092, 36274, 38865, 46638, 51820, 54411, 62184, 69957, 72548, 77730, 90685, 93276, 103640, 108822, 116595, 139914, 145096, 155460, 163233, 181370, 186552, 217644, 233190, 272055, 279828, 310920, 326466, 349785, 362740, 435288, 466380, 489699, 544110, 559656, 652932, 699570, 725480, 816165, 932760, 979398, 1088220, 1305864, 1399140, 1632330, 1958796, 2176440, 2448495, 2798280, 3264660, 3917592, 4896990, 6529320, 9793980, 19587960]

約数ペア:

[(1, 19587960), (2, 9793980), (3, 6529320), (4, 4896990), (5, 3917592), (6, 3264660), (7, 2798280), (8, 2448495), (9, 2176440), (10, 1958796), (12, 1632330), (14, 1399140), (15, 1305864), (18, 1088220), (20, 979398), (21, 932760), (24, 816165), (27, 725480), (28, 699570), (30, 652932), (35, 559656), (36, 544110), (40, 489699), (42, 466380), (45, 435288), (54, 362740), (56, 349785), (60, 326466), (63, 310920), (70, 279828), (72, 272055), (84, 233190), (90, 217644), (105, 186552), (108, 181370), (120, 163233), (126, 155460), (135, 145096), (140, 139914), (168, 116595), (180, 108822), (189, 103640), (210, 93276), (216, 90685), (252, 77730), (270, 72548), (280, 69957), (315, 62184), (360, 54411), (378, 51820), (420, 46638), (504, 38865), (540, 36274), (630, 31092), (756, 25910), (840, 23319), (945, 20728), (1080, 18137), (1260, 15546), (1512, 12955), (1890, 10364), (2520, 7773), (2591, 7560), (3780, 5182)]