18834516

素因数分解:

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

素因数の和:122

約数の個数: 72

約数和(自身を含む): 50930880

約数和(自身を除く): 32096364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 69, 86, 92, 129, 138, 172, 207, 258, 276, 387, 414, 516, 529, 774, 828, 989, 1058, 1548, 1587, 1978, 2116, 2967, 3174, 3956, 4761, 5934, 6348, 8901, 9522, 11868, 12167, 17802, 19044, 22747, 24334, 35604, 36501, 45494, 48668, 68241, 73002, 90988, 109503, 136482, 146004, 204723, 219006, 272964, 409446, 438012, 523181, 818892, 1046362, 1569543, 2092724, 3139086, 4708629, 6278172, 9417258, 18834516]

約数ペア:

[(1, 18834516), (2, 9417258), (3, 6278172), (4, 4708629), (6, 3139086), (9, 2092724), (12, 1569543), (18, 1046362), (23, 818892), (36, 523181), (43, 438012), (46, 409446), (69, 272964), (86, 219006), (92, 204723), (129, 146004), (138, 136482), (172, 109503), (207, 90988), (258, 73002), (276, 68241), (387, 48668), (414, 45494), (516, 36501), (529, 35604), (774, 24334), (828, 22747), (989, 19044), (1058, 17802), (1548, 12167), (1587, 11868), (1978, 9522), (2116, 8901), (2967, 6348), (3174, 5934), (3956, 4761)]