16821384

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 45508800

約数和(自身を除く): 28687416

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 444, 456, 703, 888, 997, 1406, 1994, 2109, 2812, 2991, 3988, 4218, 5624, 5982, 7976, 8436, 11964, 16872, 18943, 23928, 36889, 37886, 56829, 73778, 75772, 110667, 113658, 147556, 151544, 221334, 227316, 295112, 442668, 454632, 700891, 885336, 1401782, 2102673, 2803564, 4205346, 5607128, 8410692, 16821384]

約数ペア:

[(1, 16821384), (2, 8410692), (3, 5607128), (4, 4205346), (6, 2803564), (8, 2102673), (12, 1401782), (19, 885336), (24, 700891), (37, 454632), (38, 442668), (57, 295112), (74, 227316), (76, 221334), (111, 151544), (114, 147556), (148, 113658), (152, 110667), (222, 75772), (228, 73778), (296, 56829), (444, 37886), (456, 36889), (703, 23928), (888, 18943), (997, 16872), (1406, 11964), (1994, 8436), (2109, 7976), (2812, 5982), (2991, 5624), (3988, 4218)]