1888432876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{1949}}^1$

素因数の和:2063

約数の個数: 72

約数和(自身を含む): 3869283600

約数和(自身を除く): 1980850724

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 61, 76, 122, 209, 244, 361, 418, 671, 722, 836, 1159, 1342, 1444, 1949, 2318, 2684, 3898, 3971, 4636, 7796, 7942, 12749, 15884, 21439, 22021, 25498, 37031, 42878, 44042, 50996, 74062, 85756, 88084, 118889, 148124, 237778, 242231, 407341, 475556, 484462, 703589, 814682, 968924, 1307779, 1407178, 1629364, 2258891, 2615558, 2814356, 4517782, 5231116, 7739479, 9035564, 15478958, 24847801, 30957916, 42918929, 49695602, 85837858, 99391204, 171675716, 472108219, 944216438, 1888432876]

約数ペア:

[(1, 1888432876), (2, 944216438), (4, 472108219), (11, 171675716), (19, 99391204), (22, 85837858), (38, 49695602), (44, 42918929), (61, 30957916), (76, 24847801), (122, 15478958), (209, 9035564), (244, 7739479), (361, 5231116), (418, 4517782), (671, 2814356), (722, 2615558), (836, 2258891), (1159, 1629364), (1342, 1407178), (1444, 1307779), (1949, 968924), (2318, 814682), (2684, 703589), (3898, 484462), (3971, 475556), (4636, 407341), (7796, 242231), (7942, 237778), (12749, 148124), (15884, 118889), (21439, 88084), (22021, 85756), (25498, 74062), (37031, 50996), (42878, 44042)]