18767586

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 23036190

約数列:

[1, 2, 3, 6, 23, 31, 41, 46, 62, 69, 82, 93, 107, 123, 138, 186, 214, 246, 321, 642, 713, 943, 1271, 1426, 1886, 2139, 2461, 2542, 2829, 3317, 3813, 4278, 4387, 4922, 5658, 6634, 7383, 7626, 8774, 9951, 13161, 14766, 19902, 26322, 29233, 58466, 76291, 87699, 100901, 135997, 152582, 175398, 201802, 228873, 271994, 302703, 407991, 457746, 605406, 815982, 3127931, 6255862, 9383793, 18767586]

約数ペア:

[(1, 18767586), (2, 9383793), (3, 6255862), (6, 3127931), (23, 815982), (31, 605406), (41, 457746), (46, 407991), (62, 302703), (69, 271994), (82, 228873), (93, 201802), (107, 175398), (123, 152582), (138, 135997), (186, 100901), (214, 87699), (246, 76291), (321, 58466), (642, 29233), (713, 26322), (943, 19902), (1271, 14766), (1426, 13161), (1886, 9951), (2139, 8774), (2461, 7626), (2542, 7383), (2829, 6634), (3317, 5658), (3813, 4922), (4278, 4387)]