18837816

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 50160000

約数和(自身を除く): 31322184

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 109, 114, 152, 218, 228, 327, 379, 436, 456, 654, 758, 872, 1137, 1308, 1516, 2071, 2274, 2616, 3032, 4142, 4548, 6213, 7201, 8284, 9096, 12426, 14402, 16568, 21603, 24852, 28804, 41311, 43206, 49704, 57608, 82622, 86412, 123933, 165244, 172824, 247866, 330488, 495732, 784909, 991464, 1569818, 2354727, 3139636, 4709454, 6279272, 9418908, 18837816]

約数ペア:

[(1, 18837816), (2, 9418908), (3, 6279272), (4, 4709454), (6, 3139636), (8, 2354727), (12, 1569818), (19, 991464), (24, 784909), (38, 495732), (57, 330488), (76, 247866), (109, 172824), (114, 165244), (152, 123933), (218, 86412), (228, 82622), (327, 57608), (379, 49704), (436, 43206), (456, 41311), (654, 28804), (758, 24852), (872, 21603), (1137, 16568), (1308, 14402), (1516, 12426), (2071, 9096), (2274, 8284), (2616, 7201), (3032, 6213), (4142, 4548)]