18729516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 32073684

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 71, 76, 78, 89, 114, 142, 156, 178, 213, 228, 247, 267, 284, 356, 426, 494, 534, 741, 852, 923, 988, 1068, 1157, 1349, 1482, 1691, 1846, 2314, 2698, 2769, 2964, 3382, 3471, 3692, 4047, 4628, 5073, 5396, 5538, 6319, 6764, 6942, 8094, 10146, 11076, 12638, 13884, 16188, 17537, 18957, 20292, 21983, 25276, 35074, 37914, 43966, 52611, 65949, 70148, 75828, 82147, 87932, 105222, 120061, 131898, 164294, 210444, 240122, 246441, 263796, 328588, 360183, 480244, 492882, 720366, 985764, 1440732, 1560793, 3121586, 4682379, 6243172, 9364758, 18729516]

約数ペア:

[(1, 18729516), (2, 9364758), (3, 6243172), (4, 4682379), (6, 3121586), (12, 1560793), (13, 1440732), (19, 985764), (26, 720366), (38, 492882), (39, 480244), (52, 360183), (57, 328588), (71, 263796), (76, 246441), (78, 240122), (89, 210444), (114, 164294), (142, 131898), (156, 120061), (178, 105222), (213, 87932), (228, 82147), (247, 75828), (267, 70148), (284, 65949), (356, 52611), (426, 43966), (494, 37914), (534, 35074), (741, 25276), (852, 21983), (923, 20292), (988, 18957), (1068, 17537), (1157, 16188), (1349, 13884), (1482, 12638), (1691, 11076), (1846, 10146), (2314, 8094), (2698, 6942), (2769, 6764), (2964, 6319), (3382, 5538), (3471, 5396), (3692, 5073), (4047, 4628)]