19863272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 44452800

約数和(自身を除く): 24589528

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 97, 104, 143, 179, 194, 286, 358, 388, 572, 716, 776, 1067, 1144, 1261, 1432, 1969, 2134, 2327, 2522, 3938, 4268, 4654, 5044, 7876, 8536, 9308, 10088, 13871, 15752, 17363, 18616, 25597, 27742, 34726, 51194, 55484, 69452, 102388, 110968, 138904, 190993, 204776, 225719, 381986, 451438, 763972, 902876, 1527944, 1805752, 2482909, 4965818, 9931636, 19863272]

約数ペア:

[(1, 19863272), (2, 9931636), (4, 4965818), (8, 2482909), (11, 1805752), (13, 1527944), (22, 902876), (26, 763972), (44, 451438), (52, 381986), (88, 225719), (97, 204776), (104, 190993), (143, 138904), (179, 110968), (194, 102388), (286, 69452), (358, 55484), (388, 51194), (572, 34726), (716, 27742), (776, 25597), (1067, 18616), (1144, 17363), (1261, 15752), (1432, 13871), (1969, 10088), (2134, 9308), (2327, 8536), (2522, 7876), (3938, 5044), (4268, 4654)]