18733264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:835

約数の個数: 40

約数和(自身を含む): 39899232

約数和(自身を除く): 21165968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 163, 176, 326, 652, 653, 1304, 1306, 1793, 2608, 2612, 3586, 5224, 7172, 7183, 10448, 14344, 14366, 28688, 28732, 57464, 106439, 114928, 212878, 425756, 851512, 1170829, 1703024, 2341658, 4683316, 9366632, 18733264]

約数ペア:

[(1, 18733264), (2, 9366632), (4, 4683316), (8, 2341658), (11, 1703024), (16, 1170829), (22, 851512), (44, 425756), (88, 212878), (163, 114928), (176, 106439), (326, 57464), (652, 28732), (653, 28688), (1304, 14366), (1306, 14344), (1793, 10448), (2608, 7183), (2612, 7172), (3586, 5224)]