18888548

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 39911424

約数和(自身を除く): 21022876

約数列:

[1, 2, 4, 7, 14, 28, 31, 47, 62, 94, 124, 188, 217, 329, 434, 463, 658, 868, 926, 1316, 1457, 1852, 2914, 3241, 5828, 6482, 10199, 12964, 14353, 20398, 21761, 28706, 40796, 43522, 57412, 87044, 100471, 152327, 200942, 304654, 401884, 609308, 674591, 1349182, 2698364, 4722137, 9444274, 18888548]

約数ペア:

[(1, 18888548), (2, 9444274), (4, 4722137), (7, 2698364), (14, 1349182), (28, 674591), (31, 609308), (47, 401884), (62, 304654), (94, 200942), (124, 152327), (188, 100471), (217, 87044), (329, 57412), (434, 43522), (463, 40796), (658, 28706), (868, 21761), (926, 20398), (1316, 14353), (1457, 12964), (1852, 10199), (2914, 6482), (3241, 5828)]