18278808

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 49144320

約数和(自身を除く): 30865512

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 71, 102, 136, 142, 204, 213, 284, 408, 426, 568, 631, 852, 1207, 1262, 1704, 1893, 2414, 2524, 3621, 3786, 4828, 5048, 7242, 7572, 9656, 10727, 14484, 15144, 21454, 28968, 32181, 42908, 44801, 64362, 85816, 89602, 128724, 134403, 179204, 257448, 268806, 358408, 537612, 761617, 1075224, 1523234, 2284851, 3046468, 4569702, 6092936, 9139404, 18278808]

約数ペア:

[(1, 18278808), (2, 9139404), (3, 6092936), (4, 4569702), (6, 3046468), (8, 2284851), (12, 1523234), (17, 1075224), (24, 761617), (34, 537612), (51, 358408), (68, 268806), (71, 257448), (102, 179204), (136, 134403), (142, 128724), (204, 89602), (213, 85816), (284, 64362), (408, 44801), (426, 42908), (568, 32181), (631, 28968), (852, 21454), (1207, 15144), (1262, 14484), (1704, 10727), (1893, 9656), (2414, 7572), (2524, 7242), (3621, 5048), (3786, 4828)]