19447150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 38810016

約数和(自身を除く): 19362866

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 137, 167, 170, 274, 334, 425, 685, 835, 850, 1370, 1670, 2329, 2839, 3425, 4175, 4658, 5678, 6850, 8350, 11645, 14195, 22879, 23290, 28390, 45758, 58225, 70975, 114395, 116450, 141950, 228790, 388943, 571975, 777886, 1143950, 1944715, 3889430, 9723575, 19447150]

約数ペア:

[(1, 19447150), (2, 9723575), (5, 3889430), (10, 1944715), (17, 1143950), (25, 777886), (34, 571975), (50, 388943), (85, 228790), (137, 141950), (167, 116450), (170, 114395), (274, 70975), (334, 58225), (425, 45758), (685, 28390), (835, 23290), (850, 22879), (1370, 14195), (1670, 11645), (2329, 8350), (2839, 6850), (3425, 5678), (4175, 4658)]