18138228

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 43747200

約数和(自身を除く): 25608972

約数列:

[1, 2, 3, 4, 6, 12, 61, 71, 122, 142, 183, 213, 244, 284, 349, 366, 426, 698, 732, 852, 1047, 1396, 2094, 4188, 4331, 8662, 12993, 17324, 21289, 24779, 25986, 42578, 49558, 51972, 63867, 74337, 85156, 99116, 127734, 148674, 255468, 297348, 1511519, 3023038, 4534557, 6046076, 9069114, 18138228]

約数ペア:

[(1, 18138228), (2, 9069114), (3, 6046076), (4, 4534557), (6, 3023038), (12, 1511519), (61, 297348), (71, 255468), (122, 148674), (142, 127734), (183, 99116), (213, 85156), (244, 74337), (284, 63867), (349, 51972), (366, 49558), (426, 42578), (698, 25986), (732, 24779), (852, 21289), (1047, 17324), (1396, 12993), (2094, 8662), (4188, 4331)]