19865202236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{11239}}^1$

素因数の和:11427

約数の個数: 72

約数和(自身を含む): 40579996800

約数和(自身を除く): 20714794564

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 139, 187, 278, 289, 374, 556, 578, 748, 1156, 1529, 2363, 3058, 3179, 4726, 6116, 6358, 9452, 11239, 12716, 22478, 25993, 40171, 44956, 51986, 80342, 103972, 123629, 160684, 191063, 247258, 382126, 441881, 494516, 764252, 883762, 1562221, 1767524, 2101693, 3124442, 3248071, 4203386, 6248884, 6496142, 8406772, 12992284, 17184431, 26557757, 34368862, 35728781, 53115514, 68737724, 71457562, 106231028, 142915124, 292135327, 451481869, 584270654, 902963738, 1168541308, 1805927476, 4966300559, 9932601118, 19865202236]

約数ペア:

[(1, 19865202236), (2, 9932601118), (4, 4966300559), (11, 1805927476), (17, 1168541308), (22, 902963738), (34, 584270654), (44, 451481869), (68, 292135327), (139, 142915124), (187, 106231028), (278, 71457562), (289, 68737724), (374, 53115514), (556, 35728781), (578, 34368862), (748, 26557757), (1156, 17184431), (1529, 12992284), (2363, 8406772), (3058, 6496142), (3179, 6248884), (4726, 4203386), (6116, 3248071), (6358, 3124442), (9452, 2101693), (11239, 1767524), (12716, 1562221), (22478, 883762), (25993, 764252), (40171, 494516), (44956, 441881), (51986, 382126), (80342, 247258), (103972, 191063), (123629, 160684)]