18653690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 39128832

約数和(自身を除く): 20475142

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 73, 101, 110, 115, 146, 202, 230, 253, 365, 505, 506, 730, 803, 1010, 1111, 1265, 1606, 1679, 2222, 2323, 2530, 3358, 4015, 4646, 5555, 7373, 8030, 8395, 11110, 11615, 14746, 16790, 18469, 23230, 25553, 36865, 36938, 51106, 73730, 81103, 92345, 127765, 162206, 169579, 184690, 255530, 339158, 405515, 811030, 847895, 1695790, 1865369, 3730738, 9326845, 18653690]

約数ペア:

[(1, 18653690), (2, 9326845), (5, 3730738), (10, 1865369), (11, 1695790), (22, 847895), (23, 811030), (46, 405515), (55, 339158), (73, 255530), (101, 184690), (110, 169579), (115, 162206), (146, 127765), (202, 92345), (230, 81103), (253, 73730), (365, 51106), (505, 36938), (506, 36865), (730, 25553), (803, 23230), (1010, 18469), (1111, 16790), (1265, 14746), (1606, 11615), (1679, 11110), (2222, 8395), (2323, 8030), (2530, 7373), (3358, 5555), (4015, 4646)]