18565120

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 53218620

約数和(自身を除く): 34653500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 70, 74, 80, 98, 112, 128, 140, 148, 160, 185, 196, 224, 245, 256, 259, 280, 296, 320, 370, 392, 448, 490, 512, 518, 560, 592, 640, 740, 784, 896, 980, 1024, 1036, 1120, 1184, 1280, 1295, 1480, 1568, 1792, 1813, 1960, 2048, 2072, 2240, 2368, 2560, 2590, 2960, 3136, 3584, 3626, 3920, 4144, 4480, 4736, 5120, 5180, 5920, 6272, 7168, 7252, 7840, 8288, 8960, 9065, 9472, 10240, 10360, 11840, 12544, 14336, 14504, 15680, 16576, 17920, 18130, 18944, 20720, 23680, 25088, 29008, 31360, 33152, 35840, 36260, 37888, 41440, 47360, 50176, 58016, 62720, 66304, 71680, 72520, 75776, 82880, 94720, 100352, 116032, 125440, 132608, 145040, 165760, 189440, 232064, 250880, 265216, 290080, 331520, 378880, 464128, 501760, 530432, 580160, 663040, 928256, 1160320, 1326080, 1856512, 2320640, 2652160, 3713024, 4641280, 9282560, 18565120]

約数ペア:

[(1, 18565120), (2, 9282560), (4, 4641280), (5, 3713024), (7, 2652160), (8, 2320640), (10, 1856512), (14, 1326080), (16, 1160320), (20, 928256), (28, 663040), (32, 580160), (35, 530432), (37, 501760), (40, 464128), (49, 378880), (56, 331520), (64, 290080), (70, 265216), (74, 250880), (80, 232064), (98, 189440), (112, 165760), (128, 145040), (140, 132608), (148, 125440), (160, 116032), (185, 100352), (196, 94720), (224, 82880), (245, 75776), (256, 72520), (259, 71680), (280, 66304), (296, 62720), (320, 58016), (370, 50176), (392, 47360), (448, 41440), (490, 37888), (512, 36260), (518, 35840), (560, 33152), (592, 31360), (640, 29008), (740, 25088), (784, 23680), (896, 20720), (980, 18944), (1024, 18130), (1036, 17920), (1120, 16576), (1184, 15680), (1280, 14504), (1295, 14336), (1480, 12544), (1568, 11840), (1792, 10360), (1813, 10240), (1960, 9472), (2048, 9065), (2072, 8960), (2240, 8288), (2368, 7840), (2560, 7252), (2590, 7168), (2960, 6272), (3136, 5920), (3584, 5180), (3626, 5120), (3920, 4736), (4144, 4480)]