18587220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13469}}^1$

素因数の和:13504

約数の個数: 48

約数和(自身を含む): 54311040

約数和(自身を除く): 35723820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13469, 26938, 40407, 53876, 67345, 80814, 134690, 161628, 202035, 269380, 309787, 404070, 619574, 808140, 929361, 1239148, 1548935, 1858722, 3097870, 3717444, 4646805, 6195740, 9293610, 18587220]

約数ペア:

[(1, 18587220), (2, 9293610), (3, 6195740), (4, 4646805), (5, 3717444), (6, 3097870), (10, 1858722), (12, 1548935), (15, 1239148), (20, 929361), (23, 808140), (30, 619574), (46, 404070), (60, 309787), (69, 269380), (92, 202035), (115, 161628), (138, 134690), (230, 80814), (276, 67345), (345, 53876), (460, 40407), (690, 26938), (1380, 13469)]