18490344

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:135

約数の個数: 128

約数和(自身を含む): 53222400

約数和(自身を除く): 34732056

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 38, 41, 43, 46, 57, 69, 76, 82, 86, 92, 114, 123, 129, 138, 152, 164, 172, 184, 228, 246, 258, 276, 328, 344, 437, 456, 492, 516, 552, 779, 817, 874, 943, 984, 989, 1032, 1311, 1558, 1634, 1748, 1763, 1886, 1978, 2337, 2451, 2622, 2829, 2967, 3116, 3268, 3496, 3526, 3772, 3956, 4674, 4902, 5244, 5289, 5658, 5934, 6232, 6536, 7052, 7544, 7912, 9348, 9804, 10488, 10578, 11316, 11868, 14104, 17917, 18696, 18791, 19608, 21156, 22632, 23736, 33497, 35834, 37582, 40549, 42312, 53751, 56373, 66994, 71668, 75164, 81098, 100491, 107502, 112746, 121647, 133988, 143336, 150328, 162196, 200982, 215004, 225492, 243294, 267976, 324392, 401964, 430008, 450984, 486588, 770431, 803928, 973176, 1540862, 2311293, 3081724, 4622586, 6163448, 9245172, 18490344]

約数ペア:

[(1, 18490344), (2, 9245172), (3, 6163448), (4, 4622586), (6, 3081724), (8, 2311293), (12, 1540862), (19, 973176), (23, 803928), (24, 770431), (38, 486588), (41, 450984), (43, 430008), (46, 401964), (57, 324392), (69, 267976), (76, 243294), (82, 225492), (86, 215004), (92, 200982), (114, 162196), (123, 150328), (129, 143336), (138, 133988), (152, 121647), (164, 112746), (172, 107502), (184, 100491), (228, 81098), (246, 75164), (258, 71668), (276, 66994), (328, 56373), (344, 53751), (437, 42312), (456, 40549), (492, 37582), (516, 35834), (552, 33497), (779, 23736), (817, 22632), (874, 21156), (943, 19608), (984, 18791), (989, 18696), (1032, 17917), (1311, 14104), (1558, 11868), (1634, 11316), (1748, 10578), (1763, 10488), (1886, 9804), (1978, 9348), (2337, 7912), (2451, 7544), (2622, 7052), (2829, 6536), (2967, 6232), (3116, 5934), (3268, 5658), (3496, 5289), (3526, 5244), (3772, 4902), (3956, 4674)]