19024640

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 46357920

約数和(自身を除く): 27333280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 167, 178, 256, 320, 334, 356, 445, 640, 668, 712, 835, 890, 1280, 1336, 1424, 1670, 1780, 2672, 2848, 3340, 3560, 5344, 5696, 6680, 7120, 10688, 11392, 13360, 14240, 14863, 21376, 22784, 26720, 28480, 29726, 42752, 53440, 56960, 59452, 74315, 106880, 113920, 118904, 148630, 213760, 237808, 297260, 475616, 594520, 951232, 1189040, 1902464, 2378080, 3804928, 4756160, 9512320, 19024640]

約数ペア:

[(1, 19024640), (2, 9512320), (4, 4756160), (5, 3804928), (8, 2378080), (10, 1902464), (16, 1189040), (20, 951232), (32, 594520), (40, 475616), (64, 297260), (80, 237808), (89, 213760), (128, 148630), (160, 118904), (167, 113920), (178, 106880), (256, 74315), (320, 59452), (334, 56960), (356, 53440), (445, 42752), (640, 29726), (668, 28480), (712, 26720), (835, 22784), (890, 21376), (1280, 14863), (1336, 14240), (1424, 13360), (1670, 11392), (1780, 10688), (2672, 7120), (2848, 6680), (3340, 5696), (3560, 5344)]