18963976

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 21860024

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 41, 68, 76, 82, 136, 152, 164, 179, 323, 328, 358, 646, 697, 716, 779, 1292, 1394, 1432, 1558, 2584, 2788, 3043, 3116, 3401, 5576, 6086, 6232, 6802, 7339, 12172, 13243, 13604, 14678, 24344, 26486, 27208, 29356, 52972, 57817, 58712, 105944, 115634, 124763, 139441, 231268, 249526, 278882, 462536, 499052, 557764, 998104, 1115528, 2370497, 4740994, 9481988, 18963976]

約数ペア:

[(1, 18963976), (2, 9481988), (4, 4740994), (8, 2370497), (17, 1115528), (19, 998104), (34, 557764), (38, 499052), (41, 462536), (68, 278882), (76, 249526), (82, 231268), (136, 139441), (152, 124763), (164, 115634), (179, 105944), (323, 58712), (328, 57817), (358, 52972), (646, 29356), (697, 27208), (716, 26486), (779, 24344), (1292, 14678), (1394, 13604), (1432, 13243), (1558, 12172), (2584, 7339), (2788, 6802), (3043, 6232), (3116, 6086), (3401, 5576)]