19931456

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:511

約数の個数: 56

約数和(自身を含む): 42854880

約数和(自身を除く): 22923424

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 148, 152, 296, 304, 443, 592, 608, 703, 886, 1184, 1216, 1406, 1772, 2368, 2812, 3544, 5624, 7088, 8417, 11248, 14176, 16391, 16834, 22496, 28352, 32782, 33668, 44992, 65564, 67336, 131128, 134672, 262256, 269344, 311429, 524512, 538688, 622858, 1049024, 1245716, 2491432, 4982864, 9965728, 19931456]

約数ペア:

[(1, 19931456), (2, 9965728), (4, 4982864), (8, 2491432), (16, 1245716), (19, 1049024), (32, 622858), (37, 538688), (38, 524512), (64, 311429), (74, 269344), (76, 262256), (148, 134672), (152, 131128), (296, 67336), (304, 65564), (443, 44992), (592, 33668), (608, 32782), (703, 28352), (886, 22496), (1184, 16834), (1216, 16391), (1406, 14176), (1772, 11248), (2368, 8417), (2812, 7088), (3544, 5624)]