18663680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2083}}^1$

素因数の和:2111

約数の個数: 72

約数和(自身を含む): 51116352

約数和(自身を除く): 32452672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2083, 2240, 4166, 4480, 8332, 8960, 10415, 14581, 16664, 20830, 29162, 33328, 41660, 58324, 66656, 72905, 83320, 116648, 133312, 145810, 166640, 233296, 266624, 291620, 333280, 466592, 533248, 583240, 666560, 933184, 1166480, 1333120, 1866368, 2332960, 2666240, 3732736, 4665920, 9331840, 18663680]

約数ペア:

[(1, 18663680), (2, 9331840), (4, 4665920), (5, 3732736), (7, 2666240), (8, 2332960), (10, 1866368), (14, 1333120), (16, 1166480), (20, 933184), (28, 666560), (32, 583240), (35, 533248), (40, 466592), (56, 333280), (64, 291620), (70, 266624), (80, 233296), (112, 166640), (128, 145810), (140, 133312), (160, 116648), (224, 83320), (256, 72905), (280, 66656), (320, 58324), (448, 41660), (560, 33328), (640, 29162), (896, 20830), (1120, 16664), (1280, 14581), (1792, 10415), (2083, 8960), (2240, 8332), (4166, 4480)]