19246722

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 45342720

約数和(自身を除く): 26095998

約数列:

[1, 2, 3, 6, 11, 22, 23, 31, 33, 46, 62, 66, 69, 93, 138, 186, 253, 341, 409, 506, 682, 713, 759, 818, 1023, 1227, 1426, 1518, 2046, 2139, 2454, 4278, 4499, 7843, 8998, 9407, 12679, 13497, 15686, 18814, 23529, 25358, 26994, 28221, 38037, 47058, 56442, 76074, 103477, 139469, 206954, 278938, 291617, 310431, 418407, 583234, 620862, 836814, 874851, 1749702, 3207787, 6415574, 9623361, 19246722]

約数ペア:

[(1, 19246722), (2, 9623361), (3, 6415574), (6, 3207787), (11, 1749702), (22, 874851), (23, 836814), (31, 620862), (33, 583234), (46, 418407), (62, 310431), (66, 291617), (69, 278938), (93, 206954), (138, 139469), (186, 103477), (253, 76074), (341, 56442), (409, 47058), (506, 38037), (682, 28221), (713, 26994), (759, 25358), (818, 23529), (1023, 18814), (1227, 15686), (1426, 13497), (1518, 12679), (2046, 9407), (2139, 8998), (2454, 7843), (4278, 4499)]