19853640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:644

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 48575160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 593, 620, 744, 837, 930, 1080, 1116, 1186, 1240, 1395, 1674, 1779, 1860, 2232, 2372, 2790, 2965, 3348, 3558, 3720, 4185, 4744, 5337, 5580, 5930, 6696, 7116, 8370, 8895, 10674, 11160, 11860, 14232, 16011, 16740, 17790, 18383, 21348, 23720, 26685, 32022, 33480, 35580, 36766, 42696, 53370, 55149, 64044, 71160, 73532, 80055, 91915, 106740, 110298, 128088, 147064, 160110, 165447, 183830, 213480, 220596, 275745, 320220, 330894, 367660, 441192, 496341, 551490, 640440, 661788, 735320, 827235, 992682, 1102980, 1323576, 1654470, 1985364, 2205960, 2481705, 3308940, 3970728, 4963410, 6617880, 9926820, 19853640]

約数ペア:

[(1, 19853640), (2, 9926820), (3, 6617880), (4, 4963410), (5, 3970728), (6, 3308940), (8, 2481705), (9, 2205960), (10, 1985364), (12, 1654470), (15, 1323576), (18, 1102980), (20, 992682), (24, 827235), (27, 735320), (30, 661788), (31, 640440), (36, 551490), (40, 496341), (45, 441192), (54, 367660), (60, 330894), (62, 320220), (72, 275745), (90, 220596), (93, 213480), (108, 183830), (120, 165447), (124, 160110), (135, 147064), (155, 128088), (180, 110298), (186, 106740), (216, 91915), (248, 80055), (270, 73532), (279, 71160), (310, 64044), (360, 55149), (372, 53370), (465, 42696), (540, 36766), (558, 35580), (593, 33480), (620, 32022), (744, 26685), (837, 23720), (930, 21348), (1080, 18383), (1116, 17790), (1186, 16740), (1240, 16011), (1395, 14232), (1674, 11860), (1779, 11160), (1860, 10674), (2232, 8895), (2372, 8370), (2790, 7116), (2965, 6696), (3348, 5930), (3558, 5580), (3720, 5337), (4185, 4744)]