18462520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^2$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 42674760

約数和(自身を除く): 24212240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 83, 134, 166, 268, 332, 335, 415, 536, 664, 670, 830, 1340, 1660, 2680, 3320, 5561, 6889, 11122, 13778, 22244, 27556, 27805, 34445, 44488, 55112, 55610, 68890, 111220, 137780, 222440, 275560, 461563, 923126, 1846252, 2307815, 3692504, 4615630, 9231260, 18462520]

約数ペア:

[(1, 18462520), (2, 9231260), (4, 4615630), (5, 3692504), (8, 2307815), (10, 1846252), (20, 923126), (40, 461563), (67, 275560), (83, 222440), (134, 137780), (166, 111220), (268, 68890), (332, 55610), (335, 55112), (415, 44488), (536, 34445), (664, 27805), (670, 27556), (830, 22244), (1340, 13778), (1660, 11122), (2680, 6889), (3320, 5561)]