19698948

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 53446848

約数和(自身を除く): 33747900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 37, 46, 69, 74, 92, 111, 138, 148, 207, 222, 276, 333, 414, 444, 643, 666, 828, 851, 1286, 1332, 1702, 1929, 2553, 2572, 3404, 3858, 5106, 5787, 7659, 7716, 10212, 11574, 14789, 15318, 23148, 23791, 29578, 30636, 44367, 47582, 59156, 71373, 88734, 95164, 133101, 142746, 177468, 214119, 266202, 285492, 428238, 532404, 547193, 856476, 1094386, 1641579, 2188772, 3283158, 4924737, 6566316, 9849474, 19698948]

約数ペア:

[(1, 19698948), (2, 9849474), (3, 6566316), (4, 4924737), (6, 3283158), (9, 2188772), (12, 1641579), (18, 1094386), (23, 856476), (36, 547193), (37, 532404), (46, 428238), (69, 285492), (74, 266202), (92, 214119), (111, 177468), (138, 142746), (148, 133101), (207, 95164), (222, 88734), (276, 71373), (333, 59156), (414, 47582), (444, 44367), (643, 30636), (666, 29578), (828, 23791), (851, 23148), (1286, 15318), (1332, 14789), (1702, 11574), (1929, 10212), (2553, 7716), (2572, 7659), (3404, 5787), (3858, 5106)]