18989670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2965

約数の個数: 64

約数和(自身を含む): 53784576

約数和(自身を除く): 34794906

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 2917, 3255, 5834, 6510, 8751, 14585, 17502, 20419, 29170, 40838, 43755, 61257, 87510, 90427, 102095, 122514, 180854, 204190, 271281, 306285, 452135, 542562, 612570, 632989, 904270, 1265978, 1356405, 1898967, 2712810, 3164945, 3797934, 6329890, 9494835, 18989670]

約数ペア:

[(1, 18989670), (2, 9494835), (3, 6329890), (5, 3797934), (6, 3164945), (7, 2712810), (10, 1898967), (14, 1356405), (15, 1265978), (21, 904270), (30, 632989), (31, 612570), (35, 542562), (42, 452135), (62, 306285), (70, 271281), (93, 204190), (105, 180854), (155, 122514), (186, 102095), (210, 90427), (217, 87510), (310, 61257), (434, 43755), (465, 40838), (651, 29170), (930, 20419), (1085, 17502), (1302, 14585), (2170, 8751), (2917, 6510), (3255, 5834)]