18193644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 56888832

約数和(自身を除く): 38695188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 43, 46, 63, 69, 73, 84, 86, 92, 126, 129, 138, 146, 161, 172, 207, 219, 252, 258, 276, 292, 301, 322, 387, 414, 438, 483, 511, 516, 602, 644, 657, 774, 828, 876, 903, 966, 989, 1022, 1204, 1314, 1449, 1533, 1548, 1679, 1806, 1932, 1978, 2044, 2628, 2709, 2898, 2967, 3066, 3139, 3358, 3612, 3956, 4599, 5037, 5418, 5796, 5934, 6132, 6278, 6716, 6923, 8901, 9198, 9417, 10074, 10836, 11753, 11868, 12556, 13846, 15111, 17802, 18396, 18834, 20148, 20769, 21973, 23506, 27692, 28251, 30222, 35259, 35604, 37668, 41538, 43946, 47012, 56502, 60444, 62307, 65919, 70518, 72197, 83076, 87892, 105777, 113004, 124614, 131838, 141036, 144394, 197757, 211554, 216591, 249228, 263676, 288788, 395514, 423108, 433182, 505379, 649773, 791028, 866364, 1010758, 1299546, 1516137, 2021516, 2599092, 3032274, 4548411, 6064548, 9096822, 18193644]

約数ペア:

[(1, 18193644), (2, 9096822), (3, 6064548), (4, 4548411), (6, 3032274), (7, 2599092), (9, 2021516), (12, 1516137), (14, 1299546), (18, 1010758), (21, 866364), (23, 791028), (28, 649773), (36, 505379), (42, 433182), (43, 423108), (46, 395514), (63, 288788), (69, 263676), (73, 249228), (84, 216591), (86, 211554), (92, 197757), (126, 144394), (129, 141036), (138, 131838), (146, 124614), (161, 113004), (172, 105777), (207, 87892), (219, 83076), (252, 72197), (258, 70518), (276, 65919), (292, 62307), (301, 60444), (322, 56502), (387, 47012), (414, 43946), (438, 41538), (483, 37668), (511, 35604), (516, 35259), (602, 30222), (644, 28251), (657, 27692), (774, 23506), (828, 21973), (876, 20769), (903, 20148), (966, 18834), (989, 18396), (1022, 17802), (1204, 15111), (1314, 13846), (1449, 12556), (1533, 11868), (1548, 11753), (1679, 10836), (1806, 10074), (1932, 9417), (1978, 9198), (2044, 8901), (2628, 6923), (2709, 6716), (2898, 6278), (2967, 6132), (3066, 5934), (3139, 5796), (3358, 5418), (3612, 5037), (3956, 4599)]