19688144

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4751}}^1$

素因数の和:4803

約数の個数: 40

約数和(自身を含む): 44782848

約数和(自身を除く): 25094704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 4751, 9502, 19004, 33257, 38008, 66514, 76016, 133028, 175787, 266056, 351574, 532112, 703148, 1230509, 1406296, 2461018, 2812592, 4922036, 9844072, 19688144]

約数ペア:

[(1, 19688144), (2, 9844072), (4, 4922036), (7, 2812592), (8, 2461018), (14, 1406296), (16, 1230509), (28, 703148), (37, 532112), (56, 351574), (74, 266056), (112, 175787), (148, 133028), (259, 76016), (296, 66514), (518, 38008), (592, 33257), (1036, 19004), (2072, 9502), (4144, 4751)]